[Checkins] [zopefoundation/grokcore.viewlet] 009cdf: update buildout extends URL

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/grokcore.viewlet
  Commit: 009cdf8f4be8dc4686c98ef6899a684a69a6238a
      https://github.com/zopefoundation/grokcore.viewlet/commit/009cdf8f4be8dc4686c98ef6899a684a69a6238a
  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