Build fix after c4c56de1.

Change-Id: I49303528ccbe49894a0fbae3c24d3f3d08c016eb
Reviewed-on: https://gerrit.libreoffice.org/55547Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>