user config now needs it to collect user's private GPG keys

Change-Id: Ia4ad4133b621160cf37281750cafa9f3c5c3c231
Reviewed-on: https://gerrit.libreoffice.org/45562Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Thorsten Behrens <Thorsten.Behrens@CIB.de>