Added input manager final version

src/dawn/dawngame.c

@@ -23,8 +23,8 @@ game_t * gameInit(platform_t *platform) {
   return game;
 }
 
-void gameUpdate(game_t *game) {
-  engineUpdate(game->engine);
+uint32_t gameUpdate(game_t *game) {
+  return engineUpdate(game->engine);
 }
 
 void gameDispose(game_t *game) {