When using nested layouts, Qt barfs if a widget already has a parent, so make sure it doesn't.
When using nested layouts, Qt barfs if a widget already has a parent, so make sure it doesn't.


git-svn-id: 1bc0666016e746585a50f826fc9dc079e42ee77e@126 05730e5d-ab1b-0410-a4ac-84af385074fa

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