Patched to compile.

src/video/cocoa/SDL_cocoaopengles.m

@@ -25,6 +25,7 @@
 #include "SDL_cocoavideo.h"
 #include "SDL_cocoaopengles.h"
 #include "SDL_cocoaopengl.h"
+#include "SDL_assert.h"
 
 /* EGL implementation of SDL OpenGL support */
 

src/video/windows/SDL_windowsopengles.c

@@ -25,6 +25,7 @@
 #include "SDL_windowsvideo.h"
 #include "SDL_windowsopengles.h"
 #include "SDL_windowsopengl.h"
+#include "SDL_assert.h"
 
 /* EGL implementation of SDL OpenGL support */