stick to single-arg function calls, sometimes parens in multi-arg calls
might be there for clarity

Change-Id: Ib80190c571ce65b5d219a88056687042de749e74
Reviewed-on: https://gerrit.libreoffice.org/39676Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>