Translated some German comments

Change-Id: Id8a4db32d0fe95ecf543fcfc82fd6b236d544616
Reviewed-on: https://gerrit.libreoffice.org/7948
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>