to find stuff like
   OUString s = OUString("xxx")

Change-Id: Ie7ed074c1ae012734c67a2a89c564c1900a4ab04
Reviewed-on: https://gerrit.libreoffice.org/70697
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>