fdo#39468: Translated German comments

Change-Id: I10d334d85f80bbb4a46436914c79c91fc0282b35
Reviewed-on: https://gerrit.libreoffice.org/11485
Reviewed-by: Samuel Mehrbrodt <s.mehrbrodt@gmail.com>
Tested-by: Samuel Mehrbrodt <s.mehrbrodt@gmail.com>