coding style: allow declarations after statement

See https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1243/
and https://gitlab.freedesktop.org/gstreamer/gstreamer-project/-/issues/78

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2683>

subprojects/gst-devtools/meson.build

@@ -131,7 +131,6 @@ warning_flags = [
   '-Wmissing-include-dirs',
   '-Waddress',
   '-Wno-multichar',
-  '-Wdeclaration-after-statement',
   '-Wvla',
   '-Wpointer-arith',
 ]

subprojects/gst-editing-services/meson.build

@@ -251,7 +251,6 @@ warning_flags = [
   '-Wmissing-include-dirs',
   '-Waddress',
   '-Wno-multichar',
-  '-Wdeclaration-after-statement',
   '-Wvla',
   '-Wpointer-arith',
 ]

subprojects/gst-libav/meson.build

@@ -193,7 +193,6 @@ warning_flags = [
   '-Waddress',
   '-Wno-multichar',
   '-Waggregate-return',
-  '-Wdeclaration-after-statement',
   '-Wvla',
   '-Wpointer-arith',
 ]

subprojects/gst-omx/meson.build

@@ -346,7 +346,6 @@ warning_flags = [
 
 warning_c_flags = [
   '-Wmissing-prototypes',
-  '-Wdeclaration-after-statement',
   '-Wold-style-definition',
   '-Waggregate-return',
 ]

subprojects/gst-plugins-bad/meson.build

@@ -235,7 +235,6 @@ warning_flags = [
 
 warning_c_flags = [
   '-Wmissing-prototypes',
-  '-Wdeclaration-after-statement',
   '-Wold-style-definition',
 ]
 

subprojects/gst-plugins-base/meson.build

@@ -251,7 +251,6 @@ warning_flags = [
 
 warning_c_flags = [
   '-Wmissing-prototypes',
-  '-Wdeclaration-after-statement',
 ]
 
 warning_cxx_flags = [

subprojects/gst-plugins-good/meson.build

@@ -229,7 +229,6 @@ warning_flags = [
 
 warning_c_flags = [
   '-Wmissing-prototypes',
-  '-Wdeclaration-after-statement',
   '-Wold-style-definition',
   '-Waggregate-return',
 ]

subprojects/gst-plugins-ugly/meson.build

@@ -242,7 +242,6 @@ warning_flags = [
 warning_c_flags = [
   '-Wmissing-prototypes',
   '-Wold-style-definition',
-  '-Wdeclaration-after-statement',
   '-Wnested-externs'
 ]
 

subprojects/gst-rtsp-server/meson.build

@@ -126,7 +126,6 @@ warning_flags = [
   '-Wmissing-include-dirs',
   '-Waddress',
   '-Wno-multichar',
-  '-Wdeclaration-after-statement',
   '-Wvla',
   '-Wpointer-arith',
 ]

subprojects/gstreamer/gst/gst.c

@@ -1092,7 +1092,6 @@ void
 gst_deinit (void)
 {
   GstBinClass *bin_class;
-  GstClock *clock;
 
   g_mutex_lock (&init_lock);
 
@@ -1129,9 +1128,9 @@ gst_deinit (void)
     _gst_executable_path = NULL;
   }
 
-  clock = gst_system_clock_obtain ();
+  GstClock *clock = gst_system_clock_obtain ();
-  gst_object_unref (clock);
   gst_object_unref (clock);
+  gst_clear_object (&clock);
 
   _priv_gst_registry_cleanup ();
   _priv_gst_allocator_cleanup ();

subprojects/gstreamer/meson.build

@@ -492,7 +492,6 @@ warning_flags = [
   '-Waddress',
   '-Waggregate-return',
   '-Wno-multichar',
-  '-Wdeclaration-after-statement',
   '-Wvla',
   '-Wpointer-arith',
 ]