Merged revisions 80764 via svnmerge from

Merged revisions 80764 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

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  r80764 | mark.dickinson | 2010-05-04 19:47:04 +0100 (Tue, 04 May 2010) | 10 lines

  Merged revisions 80762 via svnmerge from
  svn+ssh://pythondev@svn.python.org/python/trunk

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    r80762 | mark.dickinson | 2010-05-04 19:45:27 +0100 (Tue, 04 May 2010) | 3 lines

    Fix test_gzip failure on OS X.  The failure was a result of trying to fflush
    a file that wasn't open for writing.  Patch by Antoine Pitrou.
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