looks like the subclass member is never written to, so I'm going to
assume this was a bug

Change-Id: Ic56c4a30cd139415eb08c4d572273dad2411b514
Reviewed-on: https://gerrit.libreoffice.org/49001Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>