Fixed issue with "Ads Flickering"

The brakets were missing.
I added them and tested it.
Now it works like it shoud.

Thanks!

src/ads/cocoon-ads/runtime.js

@@ -187,8 +187,10 @@ cr.plugins_.ATPAds = function(runtime) {
                 this.banner.show();
             }    
             else 
+            {
                 this.bannerReady = false;
                 this.banner.load();
+            }
         };
         Acts.prototype.HideBanner = function() {
             if(showBanner){
@@ -233,4 +235,4 @@ cr.plugins_.ATPAds = function(runtime) {
 
         pluginProto.acts = new Acts();
 
-}());
+}());