regression from
    commit 7d14555e
    convert SvxDateFormat to scoped enum

Change-Id: I9d365c710a20054e249433f54635068f713afa72
Reviewed-on: https://gerrit.libreoffice.org/58202
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
(cherry picked from commit 93baa280)
Reviewed-on: https://gerrit.libreoffice.org/58291
(cherry picked from commit 34f6ad89)