fdo#39468 translate German comments

Change-Id: I0a70863a9227cfc7e7b5616fe8fc8d14434ec9ce
Reviewed-on: https://gerrit.libreoffice.org/13496
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>