fdo#39468: translate german comments

Change-Id: I97d4b615a9c1ea2a9e7e9dfa7fa789fc396b7f29
Reviewed-on: https://gerrit.libreoffice.org/13491
Reviewed-by: Noel Grandin <noelgrandin@gmail.com>
Tested-by: Noel Grandin <noelgrandin@gmail.com>