and the modeline should be on the last line

Change-Id: I6032fdee6fc29d11cac1e4b8ec9c36e004258e73
Reviewed-on: https://gerrit.libreoffice.org/54752Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>