found with some minor modifications to find/find-unused-defines.sh

Change-Id: I18cc479adedc7a0dada68a4aeef08300e62631dd
Reviewed-on: https://gerrit.libreoffice.org/14194Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noelgrandin@gmail.com>