sdl: Reject all non-32bit pixel formats

recipes/sdl/01_orbital.patch

@@ -373,7 +373,7 @@ diff -rupNw source-original/src/video/orbital/SDL_orbitalmouse_c.h source/src/vi
 diff -rupNw source-original/src/video/orbital/SDL_orbitalvideo.c source/src/video/orbital/SDL_orbitalvideo.c
 --- source-original/src/video/orbital/SDL_orbitalvideo.c	1970-01-01 01:00:00.000000000 +0100
 +++ source/src/video/orbital/SDL_orbitalvideo.c	2018-05-01 17:32:53.000320923 +0200
-@@ -0,0 +1,249 @@
+@@ -0,0 +1,252 @@
 +/*
 +    SDL - Simple DirectMedia Layer
 +    Copyright (C) 1997-2012 Sam Lantinga
@@ -524,7 +524,10 @@ diff -rupNw source-original/src/video/orbital/SDL_orbitalvideo.c source/src/vide
 +
 +SDL_Rect **ORBITAL_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags)
 +{
-+   	 return (SDL_Rect **) -1;
++	if (format->BitsPerPixel != 32)
++		return NULL;
++
++	return (SDL_Rect **) -1;
 +}
 +
 +SDL_Surface *ORBITAL_SetVideoMode(_THIS, SDL_Surface *current,