Merged revisions 74330 via svnmerge from

svn+ssh://pythondev@www.python.org/python/branches/py3k

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  r74330 | mark.dickinson | 2009-08-06 17:06:25 +0100 (Thu, 06 Aug 2009) | 3 lines

  Issue #6622:  Fix 'variable referenced before assignment' bug in POP3.apop.
  Thanks Vincent Legoll.
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