 +#endif /* _SDL_orbitalvideo_h */
 diff -ruwN source/src/video/SDL_gamma.c source-new/src/video/SDL_gamma.c
 --- source/src/video/SDL_gamma.c	2012-01-18 23:30:06.000000000 -0700
-+++ source-new/src/video/SDL_gamma.c	2018-12-29 15:57:00.302520335 -0700
++++ source-new/src/video/SDL_gamma.c	2019-08-10 20:55:13.670786496 -0600
 @@ -35,6 +35,9 @@
  #define log(x)		__ieee754_log(x)
  #endif

+static void ORBITAL_UnlockHWSurface(_THIS, SDL_Surface *surface);
+static void ORBITAL_FreeHWSurface(_THIS, SDL_Surface *surface);
+
+/* etc. */
+static void ORBITAL_UpdateRects(_THIS, int numrects, SDL_Rect *rects);
+

+/* end of SDL_orbitalevents.c ... */
diff -ruwN source/src/video/orbital/SDL_orbitalevents_c.h source-new/src/video/orbital/SDL_orbitalevents_c.h
--- source/src/video/orbital/SDL_orbitalevents_c.h	1969-12-31 17:00:00.000000000 -0700
+++ source-new/src/video/orbital/SDL_orbitalevents_c.h	2019-08-12 13:21:41.975750603 -0600
@@ -0,0 +1,32 @@
+/*
+    SDL - Simple DirectMedia Layer
