message: fix bug about game not being around when detaching ga_tracking_id
diff: @@ -173,7 +173,7 @@ export default class RouteDiscoverGamesView extends BaseRouteComponent {
  this.ratingCallback = undefined;
  }
  - if (this.game.ga_tracking_id) {
  + if (this.game && this.game.ga_tracking_id) {
  Analytics.detachAdditionalPageTracker(this.game.ga_tracking_id);
  }
  }
  