fdo#39468 translate German comments

Change-Id: I90deb0877940167c9d5e3ba630528e575af6dd66
Reviewed-on: https://gerrit.libreoffice.org/13459
Reviewed-by: Noel Grandin <noelgrandin@gmail.com>
Tested-by: Noel Grandin <noelgrandin@gmail.com>