Merged revisions 83521 via svnmerge from

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

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  r83521 | senthil.kumaran | 2010-08-02 16:34:58 +0530 (Mon, 02 Aug 2010) | 3 lines

  Fix Issue8572  - httplib getheader() throws error instead of default
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