tutorials: Fix warning when compiling on macOS

GstMainFunc has one more arg than the standard main() to support bindings, let's cast to get rid of the warning.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/6038>

subprojects/gst-docs/examples/tutorials/basic-tutorial-1.c

@@ -47,7 +47,7 @@ int
 main (int argc, char *argv[])
 {
 #if defined(__APPLE__) && TARGET_OS_MAC && !TARGET_OS_IPHONE
-  return gst_macos_main (tutorial_main, argc, argv, NULL);
+  return gst_macos_main ((GstMainFunc) tutorial_main, argc, argv, NULL);
 #else
   return tutorial_main (argc, argv);
 #endif

subprojects/gst-docs/examples/tutorials/basic-tutorial-12.c

@@ -115,7 +115,7 @@ int
 main (int argc, char *argv[])
 {
 #if defined(__APPLE__) && TARGET_OS_MAC && !TARGET_OS_IPHONE
-  return gst_macos_main (tutorial_main, argc, argv, NULL);
+  return gst_macos_main ((GstMainFunc) tutorial_main, argc, argv, NULL);
 #else
   return tutorial_main (argc, argv);
 #endif

subprojects/gst-docs/examples/tutorials/basic-tutorial-13.c

@@ -169,7 +169,7 @@ int
 main (int argc, char *argv[])
 {
 #if defined(__APPLE__) && TARGET_OS_MAC && !TARGET_OS_IPHONE
-  return gst_macos_main (tutorial_main, argc, argv, NULL);
+  return gst_macos_main ((GstMainFunc) tutorial_main, argc, argv, NULL);
 #else
   return tutorial_main (argc, argv);
 #endif

subprojects/gst-docs/examples/tutorials/basic-tutorial-15.c

@@ -115,7 +115,7 @@ int
 main (int argc, char *argv[])
 {
 #if defined(__APPLE__) && TARGET_OS_MAC && !TARGET_OS_IPHONE
-  return gst_macos_main (tutorial_main, argc, argv, NULL);
+  return gst_macos_main ((GstMainFunc) tutorial_main, argc, argv, NULL);
 #else
   return tutorial_main (argc, argv);
 #endif

subprojects/gst-docs/examples/tutorials/basic-tutorial-2.c

@@ -89,7 +89,7 @@ int
 main (int argc, char *argv[])
 {
 #if defined(__APPLE__) && TARGET_OS_MAC && !TARGET_OS_IPHONE
-  return gst_macos_main (tutorial_main, argc, argv, NULL);
+  return gst_macos_main ((GstMainFunc) tutorial_main, argc, argv, NULL);
 #else
   return tutorial_main (argc, argv);
 #endif

subprojects/gst-docs/examples/tutorials/basic-tutorial-3.c

@@ -175,7 +175,7 @@ int
 main (int argc, char *argv[])
 {
 #if defined(__APPLE__) && TARGET_OS_MAC && !TARGET_OS_IPHONE
-  return gst_macos_main (tutorial_main, argc, argv, NULL);
+  return gst_macos_main ((GstMainFunc) tutorial_main, argc, argv, NULL);
 #else
   return tutorial_main (argc, argv);
 #endif

subprojects/gst-docs/examples/tutorials/basic-tutorial-4.c

@@ -179,7 +179,7 @@ int
 main (int argc, char *argv[])
 {
 #if defined(__APPLE__) && TARGET_OS_MAC && !TARGET_OS_IPHONE
-  return gst_macos_main (tutorial_main, argc, argv, NULL);
+  return gst_macos_main ((GstMainFunc) tutorial_main, argc, argv, NULL);
 #else
   return tutorial_main (argc, argv);
 #endif

subprojects/gst-docs/examples/tutorials/basic-tutorial-5.c

@@ -418,7 +418,7 @@ int
 main (int argc, char *argv[])
 {
 #if defined(__APPLE__) && TARGET_OS_MAC && !TARGET_OS_IPHONE
-  return gst_macos_main (tutorial_main, argc, argv, NULL);
+  return gst_macos_main ((GstMainFunc) tutorial_main, argc, argv, NULL);
 #else
   return tutorial_main (argc, argv);
 #endif

subprojects/gst-docs/examples/tutorials/basic-tutorial-6.c

@@ -231,7 +231,7 @@ int
 main (int argc, char *argv[])
 {
 #if defined(__APPLE__) && TARGET_OS_MAC && !TARGET_OS_IPHONE
-  return gst_macos_main (tutorial_main, argc, argv, NULL);
+  return gst_macos_main ((GstMainFunc) tutorial_main, argc, argv, NULL);
 #else
   return tutorial_main (argc, argv);
 #endif

subprojects/gst-docs/examples/tutorials/basic-tutorial-7.c

@@ -105,7 +105,7 @@ int
 main (int argc, char *argv[])
 {
 #if defined(__APPLE__) && TARGET_OS_MAC && !TARGET_OS_IPHONE
-  return gst_macos_main (tutorial_main, argc, argv, NULL);
+  return gst_macos_main ((GstMainFunc) tutorial_main, argc, argv, NULL);
 #else
   return tutorial_main (argc, argv);
 #endif

subprojects/gst-docs/examples/tutorials/basic-tutorial-8.c

@@ -277,7 +277,7 @@ int
 main (int argc, char *argv[])
 {
 #if defined(__APPLE__) && TARGET_OS_MAC && !TARGET_OS_IPHONE
-  return gst_macos_main (tutorial_main, argc, argv, NULL);
+  return gst_macos_main ((GstMainFunc) tutorial_main, argc, argv, NULL);
 #else
   return tutorial_main (argc, argv);
 #endif

subprojects/gst-docs/examples/tutorials/basic-tutorial-9.c

@@ -247,7 +247,7 @@ int
 main (int argc, char *argv[])
 {
 #if defined(__APPLE__) && TARGET_OS_MAC && !TARGET_OS_IPHONE
-  return gst_macos_main (tutorial_main, argc, argv, NULL);
+  return gst_macos_main ((GstMainFunc) tutorial_main, argc, argv, NULL);
 #else
   return tutorial_main (argc, argv);
 #endif

subprojects/gst-docs/examples/tutorials/playback-tutorial-1.c

@@ -249,7 +249,7 @@ int
 main (int argc, char *argv[])
 {
 #if defined(__APPLE__) && TARGET_OS_MAC && !TARGET_OS_IPHONE
-  return gst_macos_main (tutorial_main, argc, argv, NULL);
+  return gst_macos_main ((GstMainFunc) tutorial_main, argc, argv, NULL);
 #else
   return tutorial_main (argc, argv);
 #endif

subprojects/gst-docs/examples/tutorials/playback-tutorial-2.c

@@ -253,7 +253,7 @@ int
 main (int argc, char *argv[])
 {
 #if defined(__APPLE__) && TARGET_OS_MAC && !TARGET_OS_IPHONE
-  return gst_macos_main (tutorial_main, argc, argv, NULL);
+  return gst_macos_main ((GstMainFunc) tutorial_main, argc, argv, NULL);
 #else
   return tutorial_main (argc, argv);
 #endif

subprojects/gst-docs/examples/tutorials/playback-tutorial-3.c

@@ -179,7 +179,7 @@ int
 main (int argc, char *argv[])
 {
 #if defined(__APPLE__) && TARGET_OS_MAC && !TARGET_OS_IPHONE
-  return gst_macos_main (tutorial_main, argc, argv, NULL);
+  return gst_macos_main ((GstMainFunc) tutorial_main, argc, argv, NULL);
 #else
   return tutorial_main (argc, argv);
 #endif

subprojects/gst-docs/examples/tutorials/playback-tutorial-4.c

@@ -195,7 +195,7 @@ int
 main (int argc, char *argv[])
 {
 #if defined(__APPLE__) && TARGET_OS_MAC && !TARGET_OS_IPHONE
-  return gst_macos_main (tutorial_main, argc, argv, NULL);
+  return gst_macos_main ((GstMainFunc) tutorial_main, argc, argv, NULL);
 #else
   return tutorial_main (argc, argv);
 #endif

subprojects/gst-docs/examples/tutorials/playback-tutorial-5.c

@@ -172,7 +172,7 @@ int
 main (int argc, char *argv[])
 {
 #if defined(__APPLE__) && TARGET_OS_MAC && !TARGET_OS_IPHONE
-  return gst_macos_main (tutorial_main, argc, argv, NULL);
+  return gst_macos_main ((GstMainFunc) tutorial_main, argc, argv, NULL);
 #else
   return tutorial_main (argc, argv);
 #endif

subprojects/gst-docs/examples/tutorials/playback-tutorial-6.c

@@ -108,7 +108,7 @@ int
 main (int argc, char *argv[])
 {
 #if defined(__APPLE__) && TARGET_OS_MAC && !TARGET_OS_IPHONE
-  return gst_macos_main (tutorial_main, argc, argv, NULL);
+  return gst_macos_main ((GstMainFunc) tutorial_main, argc, argv, NULL);
 #else
   return tutorial_main (argc, argv);
 #endif

subprojects/gst-docs/examples/tutorials/playback-tutorial-7.c

@@ -69,7 +69,7 @@ int
 main (int argc, char *argv[])
 {
 #if defined(__APPLE__) && TARGET_OS_MAC && !TARGET_OS_IPHONE
-  return gst_macos_main (tutorial_main, argc, argv, NULL);
+  return gst_macos_main ((GstMainFunc) tutorial_main, argc, argv, NULL);
 #else
   return tutorial_main (argc, argv);
 #endif