This pointer is only used in the ConfigMainWindow constructor.
Drop it from the private members.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
        setTabOrder(configList, helpText);
        configList->setFocus();
 
-       toolBar = new QToolBar("Tools", this);
+       QToolBar *toolBar = new QToolBar("Tools", this);
        addToolBar(toolBar);
 
        backAction = new QAction(QPixmap(xpm_back), "Back", this);
 
        ConfigView *configView;
        ConfigList *configList;
        ConfigInfoView *helpText;
-       QToolBar *toolBar;
        QAction *backAction;
        QAction *singleViewAction;
        QAction *splitViewAction;