fdo#39468: Translated some german comments

Change-Id: I7fba5d4d91c85289f2be5c0338977bea2cce2b06
Reviewed-on: https://gerrit.libreoffice.org/13178
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>