ofz#889 readjust jpeg import

Change-Id: I4e25db429b8dee9265ab2ad468c21cc34a50df6c
Reviewed-on: https://gerrit.libreoffice.org/35325
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>