Merged revisions 83075 via svnmerge from

Merged revisions 83075 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

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  r83075 | ronald.oussoren | 2010-07-23 12:54:59 +0100 (Fri, 23 Jul 2010) | 5 lines

  Fix for issue 7895. Avoid crashing the interpreter
  when calling platform.mac_ver after calling os.fork by
  reading from a system configuration file instead of
  using OSX APIs.
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