fdo#39468 translate German comments

Change-Id: I87ba3ac7aabbb297785eff5da6a5d498fdefd80c
Reviewed-on: https://gerrit.libreoffice.org/13534
Reviewed-by: Noel Grandin <noelgrandin@gmail.com>
Tested-by: Noel Grandin <noelgrandin@gmail.com>