[Checkins] [zopefoundation/grokcore.catalog] d7a837: update buildout extends URL

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/grokcore.catalog
  Commit: d7a837864c2cd401b36cfce551b8a24696be5b46
      https://github.com/zopefoundation/grokcore.catalog/commit/d7a837864c2cd401b36cfce551b8a24696be5b46
  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