bug 946302 - SocketTransportService Going Offline takes too long r=jduell

netwerk/base/src/nsSocketTransportService2.cpp

@@ -542,6 +542,8 @@ nsSocketTransportService::SetOffline(bool offline)
     else if (mOffline && !offline) {
         mOffline = false;
     }
+    if (mThreadEvent)
+        PR_SetPollableEvent(mThreadEvent);
 
     return NS_OK;
 }