cherry-pick from master

caused by commit 5333782d
"convert SETTINGS_ #defines to 'enum class'"

Change-Id: Id0c2738a61f73223f6c8716f04a619c8cb84c0a9
Reviewed-on: https://gerrit.libreoffice.org/17493Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>