[Checkins] [zopefoundation/Zope] 87fa98: Use AccessControl branch 2.13 again.

[GitHub]

  Branch: refs/heads/test-str-format-key-item-access-213
  Home:   https://github.com/zopefoundation/Zope
  Commit: 87fa98ad05d87261c34e551077aeee2316fac133
      https://github.com/zopefoundation/Zope/commit/87fa98ad05d87261c34e551077aeee2316fac133
  Author: Maurits van Rees <maurits at vanrees.org>
  Date:   2018-01-22 (Mon, 22 Jan 2018)

  Changed paths:
    M sources.cfg

  Log Message:
  -----------
  Use AccessControl branch 2.13 again.

The PR was merged, but we still need a checkout at this moment.