Merged revisions 78382 via svnmerge from

Merged revisions 78382 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

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  r78382 | thomas.heller | 2010-02-23 21:25:02 +0100 (Di, 23 Feb 2010) | 11 lines

  Merged revisions 78380 via svnmerge from
  svn+ssh://pythondev@svn.python.org/python/trunk

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    r78380 | thomas.heller | 2010-02-23 21:11:44 +0100 (Di, 23 Feb 2010) | 4 lines

    ctypes CThunkObject was not registered correctly with the cycle
    garbage collector, leading to possible leaks when using callback
    functions.
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