[Checkins] [zopefoundation/persistent] 30f9e0: Fix two reference leaks that could occur following...

[Jason Madden]

  Branch: refs/heads/issue143
  Home:   https://github.com/zopefoundation/persistent
  Commit: 30f9e028fab0accde4395b34d043c1c2ba9c0548
      https://github.com/zopefoundation/persistent/commit/30f9e028fab0accde4395b34d043c1c2ba9c0548
  Author: Jason Madden <jamadden at gmail.com>
  Date:   2020-03-26 (Thu, 26 Mar 2020)

  Changed paths:
    M CHANGES.rst
    M persistent/cPersistence.c
    M persistent/cPickleCache.c

  Log Message:
  -----------
  Fix two reference leaks that could occur following an obscure error.

Fixes #143