[Checkins] [zopefoundation/zope.proxy] 4f7b7e: Stop installing C headers on PyPy

[Marius Gedminas]

  Branch: refs/heads/fix-pypy-installs
  Home:   https://github.com/zopefoundation/zope.proxy
  Commit: 4f7b7e4c4c89e72de9cfc9479253e4414b374209
      https://github.com/zopefoundation/zope.proxy/commit/4f7b7e4c4c89e72de9cfc9479253e4414b374209
  Author: Marius Gedminas <marius at gedmin.as>
  Date:   2020-03-16 (Mon, 16 Mar 2020)

  Changed paths:
    M CHANGES.rst
    M setup.py

  Log Message:
  -----------
  Stop installing C headers on PyPy

Fixes #39.