[Fix] FPS limiting.

src/lephisto.c

@@ -334,7 +334,7 @@ static void fps_control(void) {
   /* If the fps is limited.. */
   if((max_fps != 0) && (cur_dt < 1./max_fps)) {
     delay = 1./max_fps - cur_dt;
-    SDL_Delay(delay);
+    SDL_Delay((unsigned int)(delay*1000));
     fps_dt += delay; /* Make sure it displays the propper FPS. */
   }
 }