Not sure what the problem is, but using a vector and just making sure
we insert into the right spot for the sorting fixes it.

Change-Id: I11c08e08a14c98ba7eb6a5d925c75bab891ecf63
Reviewed-on: https://gerrit.libreoffice.org/51829Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
Tested-by: Noel Grandin <noel.grandin@collabora.co.uk>