Fixed a bunch of compiler warnings.

src/gui/qt/gamelobbydialog/gamelobbydialogimpl.cpp

@@ -513,4 +513,4 @@ void gameLobbyDialogImpl::hideShowGameDescription(bool show) {
 		label_gameDesc4->hide();
 		label_gameDesc5->hide();
 	}
-}
+}

src/gui/qt/qttools/qthelper/qthelper.cpp

@@ -82,4 +82,4 @@ std::string QtHelper::getDataPathStdString(const std::string &appPath)
 
 
 	return (QDir::cleanPath(path) + "/").toUtf8().constData();
-}
+}