Oops, we only want to fail creation if the display surface is an OpenGL surface.

--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%40761

src/video/SDL_yuv.c

@@ -46,7 +46,7 @@ SDL_Overlay *SDL_CreateYUVOverlay(int w, int h, Uint32 format,
 	const char *yuv_hwaccel;
 	SDL_Overlay *overlay;
 
-	if ( (SDL_VideoSurface->flags & SDL_OPENGL) == SDL_OPENGL ) {
+	if ( (display->flags & SDL_OPENGL) == SDL_OPENGL ) {
 		SDL_SetError("YUV overlays are not supported in OpenGL mode");
 		return NULL;
 	}