Removed C99 iso warning.

SDL2_Core

@@ -1 +1 @@
-Subproject commit 2e1eaf4c1c512761c7585267175bed420154172d
+Subproject commit 0524f6ada9e11518a2fbb5db5339ad7af54cbddb

src/game.c

@@ -59,18 +59,8 @@ void game_handle_event(void)
     }
 }
 
-static inline void update_time(void)
-{
-    static clock_t last_clock_state = 0;
-    clock_t start_clock = clock();
-    game.delta_time_ms = (float)(start_clock - last_clock_state) * 1000.0f / CLOCKS_PER_SEC;
-    last_clock_state = start_clock;
-}
-
 void game_update(void)
 {
-    update_time();
-
     entity_manager_update(&game.entity_manager);
 }
 
@@ -96,11 +86,10 @@ int game_render(void)
 
 int game_exit(void)
 {
-    entity_manager_exit(&game.entity_manager);
-
     if(asset_manager_let_go_asset(&game.asset_manager, "player_idle_sheet")) return EXIT_FAILURE;
     if(asset_manager_let_go_asset(&game.asset_manager, "player_walk_sheet")) return EXIT_FAILURE;
 
+    entity_manager_exit(&game.entity_manager);
     if(asset_manager_exit(&game.asset_manager)) return EXIT_FAILURE;
 
     display_exit();