[Checkins] [zopefoundation/grokcore.security] e53c2c: update buildout extends URL

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/grokcore.security
  Commit: e53c2c2084e26620e8f37be295d1ec7412aba8c3
      https://github.com/zopefoundation/grokcore.security/commit/e53c2c2084e26620e8f37be295d1ec7412aba8c3
  Author: Jan-Wijbrand Kolman <jkolman at minddistrict.com>
  Date:   2018-01-22 (Mon, 22 Jan 2018)

  Changed paths:
    M buildout.cfg

  Log Message:
  -----------
  update buildout extends URL