Freeze the adapter to avoid invalid deref
GTK tries to get the parent item of selected elements when unselecting. If we don't freeze, we run the risk of crashing if a selected item is removed before being unselected. This causes a wx warning but a) this is suppressed in release and b) warning message is better than crash. See next commit for fix to avoid common case of the error
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@ -354,7 +354,9 @@ void LIB_TREE::CenterLibId( const LIB_ID& aLibId )
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void LIB_TREE::Unselect()
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{
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m_tree_ctrl->Freeze();
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m_tree_ctrl->UnselectAll();
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m_tree_ctrl->Thaw();
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}
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