(svn r22696) -Fix: don't requery the servers when the server list window isn't opened

src/network/network.cpp

@@ -837,7 +837,6 @@ void NetworkUDPGameLoop()
 	} else {
 		_udp_client_socket->ReceivePackets();
 		if (_network_udp_broadcast > 0) _network_udp_broadcast--;
-		NetworkGameListRequery();
 	}
 }
 

src/network/network_gui.cpp

@@ -889,6 +889,11 @@ public:
 		this->vscroll->SetCapacityFromWidget(this, NGWW_MATRIX);
 		this->GetWidget<NWidgetCore>(NGWW_MATRIX)->widget_data = (this->vscroll->GetCapacity() << MAT_ROW_START) + (1 << MAT_COL_START);
 	}
+
+	virtual void OnTick()
+	{
+		NetworkGameListRequery();
+	}
 };
 
 Listing NetworkGameWindow::last_sorting = {false, 5};