subprojects: Fix libsoup build on windows with gcc14

Same reason as https://gitlab.freedesktop.org/gstreamer/cerbero/-/merge_requests/1526

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/7326>

subprojects/libsoup.wrap

@@ -4,6 +4,7 @@ source_url = https://download.gnome.org/sources/libsoup/2.74/libsoup-2.74.3.tar.
 source_fallback_url = https://ftp.acc.umu.se/pub/gnome/sources/libsoup/2.74/libsoup-2.74.3.tar.xz
 source_filename = libsoup-2.74.3.tar.xz
 source_hash = e4b77c41cfc4c8c5a035fcdc320c7bc6cfb75ef7c5a034153df1413fa1d92f13
+diff_files = libsoup-2.74.3/0001-Workaround-MinGW-build-werror.patch
 
 [provide]
 libsoup-2.4 = libsoup_dep

subprojects/packagefiles/libsoup-2.74.3/0001-Workaround-MinGW-build-werror.patch

@@ -0,0 +1,30 @@
+From 2aeb31086b665eac6dc70c5259056d9c1eb819ea Mon Sep 17 00:00:00 2001
+From: Seungha Yang <seungha@centricular.com>
+Date: Tue, 9 Jul 2024 22:53:11 +0900
+Subject: [PATCH] Workaround MinGW build werror
+
+../libsoup/soup-socket.c:1325:29: error:
+passing argument 4 of 'setsockopt' from incompatible pointer type [-Wincompatible-pointer-types]
+---
+ meson.build | 5 +++++
+ 1 file changed, 5 insertions(+)
+
+diff --git a/meson.build b/meson.build
+index 130f813..b00f3e8 100644
+--- a/meson.build
++++ b/meson.build
+@@ -70,6 +70,11 @@ else
+       '-Wno-format-zero-length',
+   ]
+ 
++  if host_system == 'windows'
++    # setsockopt() argument type mismatch
++    test_cflags += ['-Wno-incompatible-pointer-types']
++  endif
++
+   common_flags += cc.get_supported_arguments(test_cflags)
+ endif
+ 
+-- 
+2.44.0.windows.1
+