vitagxm: Patched to compile.

src/render/vitagxm/SDL_render_vita_gxm.c

@@ -44,7 +44,7 @@
 #include <psp2/sysmodule.h>
 #endif
 
-static SDL_Renderer *VITA_GXM_CreateRenderer(SDL_Window *window, Uint32 flags);
+static int VITA_GXM_CreateRenderer(SDL_Renderer *renderer, SDL_Window *window, Uint32 flags);
 
 static void VITA_GXM_WindowEvent(SDL_Renderer *renderer, const SDL_WindowEvent *event);