fix build with new SDL2 versioning

fixes #39648

srcpkgs/ffmpeg/patches/sdl2-version.patch

@@ -0,0 +1,31 @@
+From: Christopher Degawa <ccom@randomderp.com>
+Date: Wed, 11 May 2022 20:11:04 +0000 (-0500)
+Subject: configure: extend SDL check to accept all 2.x versions
+X-Git-Tag: n5.1~517
+X-Git-Url: http://git.ffmpeg.org/gitweb/ffmpeg.git/commitdiff_plain/e5163b1d3438
+
+configure: extend SDL check to accept all 2.x versions
+
+sdl2 recently changed their versioning, moving the patch level to minor level
+https://github.com/libsdl-org/SDL/commit/cd7c2f1de7d9e418bb554047d714dd7cacc020ff
+and have said that they will instead ship sdl3.pc for 3.0.0
+
+Fixes ticket 9768
+
+Signed-off-by: Christopher Degawa <ccom@randomderp.com>
+Signed-off-by: Gyan Doshi <ffmpeg@gyani.pro>
+---
+
+diff --git a/configure b/configure
+index 4d2f4d9112..0faf2455b7 100755
+--- a/configure
++++ b/configure
+@@ -6742,7 +6742,7 @@ fi
+ 
+ if enabled sdl2; then
+     SDL2_CONFIG="${cross_prefix}sdl2-config"
+-    test_pkg_config sdl2 "sdl2 >= 2.0.1 sdl2 < 2.1.0" SDL_events.h SDL_PollEvent
++    test_pkg_config sdl2 "sdl2 >= 2.0.1 sdl2 < 3.0.0" SDL_events.h SDL_PollEvent
+     if disabled sdl2 && "${SDL2_CONFIG}" --version > /dev/null 2>&1; then
+         sdl2_cflags=$("${SDL2_CONFIG}" --cflags)
+         sdl2_extralibs=$("${SDL2_CONFIG}" --libs)