tag the not-released versions to synch up with STATUS, recommended

by Julian Foad.  2.2.x CHANGES has this for a recent not-released
version.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1693278 13f79535-47bb-0310-9956-ffa450edef68