Merged revisions 85386-85387,85389 via svnmerge from

Merged revisions 85386-85387,85389 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

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  r85386 | victor.stinner | 2010-10-13 00:23:23 +0200 (mer., 13 oct. 2010) | 3 lines

  Issue #6612: Fix site and sysconfig to catch os.getcwd() error, eg. if the
  current directory was deleted.
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  r85387 | victor.stinner | 2010-10-13 00:26:08 +0200 (mer., 13 oct. 2010) | 2 lines

  #6612: add the author of the patch (W. Trevor King)
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  r85389 | victor.stinner | 2010-10-13 00:42:37 +0200 (mer., 13 oct. 2010) | 2 lines

  NEWS: Move #6612 to Library section
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