Translated German comments (in 20 yr old code...)

Change-Id: Ie25a734bee8e2cfe3a8fb0a6471ab9988e9c915a
Reviewed-on: https://gerrit.libreoffice.org/7528
Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>
Tested-by: Miklos Vajna <vmiklos@collabora.co.uk>