an empty vector is only 2 words big Change-Id: I3e4a9d42b9ecb44c57ce11c400a17a4c8b053eca Reviewed-on: https://gerrit.libreoffice.org/c/core/+/147972 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>