Add a method that automatically opens gamepads so they will send events

src/game.c

@@ -85,6 +85,8 @@ akerr_ErrorContext AKERR_NOIGNORE *akgl_game_init()
 	    FAIL_ZERO_RETURN(errctx, 0, AKGL_ERR_SDL, "%s", SDL_GetError());
 	}
     }
+    PASS(errctx, akgl_controller_open_gamepads());
+
     SUCCEED_RETURN(errctx);
 }
 
@@ -137,7 +139,7 @@ akerr_ErrorContext AKERR_NOIGNORE *akgl_game_init_screen()
     camera.y = 0;
     camera.w = screenwidth;
     camera.h = screenheight;
-    SUCCEED(e);
+    SUCCEED_RETURN(e);
 }
 
 void akgl_game_updateFPS()