round out StringConcat helpers with sal_Unicode* overloads

so we can construct efficient expressions when we have pointers to
unicode data

Also lightly reformat a couple of the older helpers to make it easier to
compare the different helpers.

Change-Id: Ib8a4227714e9218512b6871d3285e4e2703bec3b
Reviewed-on: https://gerrit.libreoffice.org/80639
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

0 files changed, 0 insertions, 0 deletions