in
	commit d6865e5c
	Date:   Fri May 24 11:52:30 2019 +0200
    use std::unordered_map in RTFTokenizer

Change-Id: I5197eae86c4611d1598dbb60bae4962ad0576ecd
Reviewed-on: https://gerrit.libreoffice.org/72906
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>