Clarified that you should never have side-effects in the parameters to SDL_min/SDL_max

include/SDL_stdinc.h

@@ -430,8 +430,7 @@ extern DECLSPEC void SDLCALL SDL_qsort(void *base, size_t nmemb, size_t size, in
 
 extern DECLSPEC int SDLCALL SDL_abs(int x);
 
-/* !!! FIXME: these have side effects. You probably shouldn't use them. */
-/* !!! FIXME: Maybe we do forceinline functions of SDL_mini, SDL_minf, etc? */
+/* NOTE: these double-evaluate their arguments, so you should never have side effects in the parameters */
 #define SDL_min(x, y) (((x) < (y)) ? (x) : (y))
 #define SDL_max(x, y) (((x) > (y)) ? (x) : (y))