Merge pull request #2653 from pygame-community/Setup-png-jpeg

support emsdk >3.1.51

Author: ankith26

buildconfig/Setup.Emscripten.SDL2.in

@@ -7,6 +7,10 @@
 #SCRAP =
 #FREETYPE = -lfreetype -lharfbuzz
 
+# png and jpeg are needed for decoders in SDL_image, when not using emscripten preload api because its async
+# which is the case for both pygbag or wasi (no browser, no emscripten js api emulation)
+PNG = -lpng
+JPEG = -ljpeg
 DEBUG =
 
 # these can build alone and object files merged with ar