tdf#39468 Translate German comments/terms

Translate German comments and terms in file
sw/source/filter/html/htmlforw.cxx

Change-Id: I5355b83c6068a7171fdac9d248c5fcf74b17e662
Reviewed-on: https://gerrit.libreoffice.org/38394Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Eike Rathke <erack@redhat.com>