Made compilation actually work

src/games/poker/game.c

@@ -31,6 +31,9 @@ bool gameInit(game_t *game) {
 bool doneResize = false;
 
 bool gameUpdate(game_t *game, float delta) {
+  ASSERT_NOT_NULL(game);
+  ASSERT_GREATER_THAN(delta, 0);
+
   // Let the engine do its thing.
   engineUpdateStart(&game->engine, delta);