fix overlapping dialog bug if internet connection is to slow during game

start

src/gui/qt/gamelobbydialog/gamelobbydialogimpl.cpp

@@ -1315,6 +1315,11 @@ void gameLobbyDialogImpl::showWaitStartGameMsgBox()
 	}
 }
 
+void gameLobbyDialogImpl::hideWaitStartGameMsgBox()
+{
+	waitStartGameMsgBox->hide();
+}
+
 void gameLobbyDialogImpl::joinAnyGameButtonRefresh()
 {
 

src/gui/qt/gamelobbydialog/gamelobbydialogimpl.h

@@ -113,6 +113,7 @@ public slots:
 	bool event(QEvent * event);
 	void showGameDescription(bool show);
 	void showWaitStartGameMsgBox();
+	void hideWaitStartGameMsgBox();
 	void joinAnyGameButtonRefresh();
 	void reject();
 	void closeEvent(QCloseEvent *event);

src/gui/qt/startwindow/startwindowimpl.cpp

@@ -928,6 +928,7 @@ void startWindowImpl::networkNotification(int notificationId)
 	}
 	break;
 	case NTF_NET_REMOVED_START_FAILED: {
+		myGameLobbyDialog->hideWaitStartGameMsgBox();
 		QMessageBox::warning(this, tr("Network Notification"),
 							 tr("Your connection to the server is very slow, the game had to start without you."),
 							 QMessageBox::Close);