forked from amazingfate/loongoffice
which defeat the *StringConcat optimisation. Also make StringConcat conversions treat a nullptr as an empty string, to match the O*String(char*) constructors. Change-Id: If45f5b4b6a535c97bfeeacd9ec472a7603a52e5b Reviewed-on: https://gerrit.libreoffice.org/80724 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>