Merged revisions 78739 via svnmerge from

Merged revisions 78739 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

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  r78739 | benjamin.peterson | 2010-03-06 14:34:24 -0600 (Sat, 06 Mar 2010) | 10 lines

  Merged revisions 78718 via svnmerge from
  svn+ssh://pythondev@svn.python.org/python/trunk

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    r78718 | gregory.p.smith | 2010-03-06 01:35:19 -0600 (Sat, 06 Mar 2010) | 3 lines

    Call setreuid and setregid in a subprocess to avoid altering the test runner's
    process state.  Should fix issue8045.
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