Merged revisions 80833 via svnmerge from

Merged revisions 80833 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

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  r80833 | tarek.ziade | 2010-05-06 00:27:31 +0200 (Thu, 06 May 2010) | 9 lines

  Merged revisions 80830 via svnmerge from
  svn+ssh://pythondev@svn.python.org/python/trunk

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    r80830 | tarek.ziade | 2010-05-06 00:15:31 +0200 (Thu, 06 May 2010) | 1 line

    Fixed #4265: shutil.copyfile() was leaking file descriptors when disk fills
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