Fixes: Memory leak in generalsettings

Task:     -
RevBy:    -
AutoTest: -
Details:  -

src/plugins/coreplugin/generalsettings.cpp

@@ -64,7 +64,7 @@ QString GeneralSettings::trCategory() const
 
 QWidget *GeneralSettings::createPage(QWidget *parent)
 {
-    m_page = new Ui_GeneralSettings;
+    m_page = new Ui_GeneralSettings(parent);
     QWidget *w = new QWidget(parent);
     m_page->setupUi(w);