And improve OUString readability and efficiency.
See: https://goo.gl/jsVAwy:

Change-Id: I8d847b1ca3cde7cb8733d6f8a649612745cf6aae
Reviewed-on: https://gerrit.libreoffice.org/26511Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noelgrandin@gmail.com>