[Checkins] [zopefoundation/Zope] 71a3e8: Add change log entry.

[Michael Howitz]

  Branch: refs/heads/fix-452
  Home:   https://github.com/zopefoundation/Zope
  Commit: 71a3e80159c1fd5ac68e5dd703c0391434ed1219
      https://github.com/zopefoundation/Zope/commit/71a3e80159c1fd5ac68e5dd703c0391434ed1219
  Author: Michael Howitz <mh at gocept.com>
  Date:   2019-06-17 (Mon, 17 Jun 2019)

  Changed paths:
    M CHANGES.rst

  Log Message:
  -----------
  Add change log entry.

[skip ci]