Bug 493615 - Allow Addons the use of the DOM Geolocation API. part 2. fix mochitest failures. r=dholbert

--HG--
extra : rebase_source : ae3ed9aab598073a7e41d44766ffde0d588b7b16

dom/src/geolocation/nsGeolocation.cpp

@@ -755,6 +755,8 @@ nsGeolocation::Init(nsIDOMWindow* aContentDom)
   mService = nsGeolocationService::GetInstance();
   if (mService)
     mService->AddLocator(this);
+
+  return NS_OK;
 }
 
 void