instead of going via kioexec & temp file

Change-Id: I48ed5de97a2914025f01884f5ed0d0edce452112
Reviewed-on: https://gerrit.libreoffice.org/48900Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Katarina Behrens <Katarina.Behrens@cib.de>