fdo#39468 translate German comments

Change-Id: I36e3d7950d64a927ac6f081cf4b163fccd2f4786
Reviewed-on: https://gerrit.libreoffice.org/13549
Reviewed-by: Noel Grandin <noelgrandin@gmail.com>
Tested-by: Noel Grandin <noelgrandin@gmail.com>