i.e.

commit c0ae87cb
Author: Stephan Schäfer <ssa@openoffice.org>
Date:   Tue Oct 22 08:39:05 2002 +0000

    #103442# choose DefDialogParent on-the-fly

and so calling SetDefDialogParent doesn't achieve anything

Change-Id: I2ec72da47b2dac03fdddbdb9eba5ae4bf205eb22