Fix empty popup when no lan server detected

src/network/servers_manager.cpp

@@ -191,6 +191,8 @@ Online::XMLRequest* ServersManager::getLANRefreshRequest() const
                     m_success = true;
                 }   // if received_data
             }    // while still waiting
+			if (!m_success)
+				m_info = _("No LAN server detected");
         }   // operation
         // --------------------------------------------------------------------
         /** This function is necessary, otherwise the XML- and HTTP-Request

src/online/xml_request.hpp

@@ -42,11 +42,12 @@ namespace Online
         /** On a successful download contains the converted XML tree. */
         XMLNode *m_xml_data;
 
-        /** Additional info contained the downloaded data (or an error
-         *  message if a problem occurred). */
-        irr::core::stringw m_info;
-
     protected:
+
+		/** Additional info contained the downloaded data (or an error
+		*  message if a problem occurred). */
+		irr::core::stringw m_info;
+
         /** True if the request was successful executed on the server. */
         bool m_success;
 

src/states_screens/server_selection.cpp

@@ -221,6 +221,7 @@ void ServerSelection::onUpdate(float dt)
         {
             SFXManager::get()->quickSound("anvil");
             new MessageDialog(m_refresh_request->getInfo());
+			m_server_list_widget->clear();
         }
         delete m_refresh_request;
         m_refresh_request = NULL;