Merged revisions 78611 via svnmerge from

Merged revisions 78611 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

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  r78611 | victor.stinner | 2010-03-03 01:50:12 +0100 (mer., 03 mars 2010) | 10 lines

  Merged revisions 78610 via svnmerge from
  svn+ssh://pythondev@svn.python.org/python/trunk

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    r78610 | victor.stinner | 2010-03-03 01:43:44 +0100 (mer., 03 mars 2010) | 3 lines

    Issue #3299: fix thread.allocate_lock() error handler, replace PyObject_Del()
    by Py_DECREF() to fix a crash in pydebug mode.
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