we are never actually going to need a set, so just iterate over
the Sequence
Change-Id: I0de6ff9e0661227a69b7fbe6cccc5268f9eba58f
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/167430
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>