[Checkins] [zopefoundation/zope.proxy] b5ff70: Untrack self when deallocating.

[GitHub]

  Branch: refs/heads/issue20
  Home:   https://github.com/zopefoundation/zope.proxy
  Commit: b5ff70a32689004fa6c79c463bad2ea6bf6dd38f
      https://github.com/zopefoundation/zope.proxy/commit/b5ff70a32689004fa6c79c463bad2ea6bf6dd38f
  Author: KIMURA Chikahiro <chi-kimura at xr.jp.nec.com>
  Date:   2017-09-13 (Wed, 13 Sep 2017)

  Changed paths:
    M CHANGES.rst
    M src/zope/proxy/_zope_proxy_proxy.c

  Log Message:
  -----------
  Untrack self when deallocating.

Fixes #20