explicit delete of another class' VclPtr is not a great plan.

Change-Id: Ie719ed153f2de462ced194fe67b6dd78933b354e
diff --git a/vcl/source/window/menu.cxx b/vcl/source/window/menu.cxx
index af18be1..7323c14 100644
--- a/vcl/source/window/menu.cxx
+++ b/vcl/source/window/menu.cxx
@@ -2532,7 +2532,7 @@ void MenuBar::ImplDestroy( MenuBar* pMenu, bool bDelete )
        IMenuBarWindow* pMenuWin = pMenu->getMenuBarWindow();
        if (pMenuWin)
            pMenuWin->KillActivePopup();
        delete pWindow;
        pWindow->disposeOnce();
    }
    pMenu->pWindow = NULL;
}