[Checkins] [zopefoundation/Zope] 51a7d9: Fix version number [skip ci]

[GitHub]

  Branch: refs/heads/2.13
  Home:   https://github.com/zopefoundation/Zope
  Commit: 51a7d9674dfabb680455f2c97fd815042ee04bf5
      https://github.com/zopefoundation/Zope/commit/51a7d9674dfabb680455f2c97fd815042ee04bf5
  Author: Michael Howitz <mh at gocept.com>
  Date:   2018-01-27 (Sat, 27 Jan 2018)

  Changed paths:
    M doc/CHANGES.rst

  Log Message:
  -----------
  Fix version number [skip ci]