Merged revisions 78636 via svnmerge from

Merged revisions 78636 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

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  r78636 | victor.stinner | 2010-03-03 22:56:53 +0100 (mer., 03 mars 2010) | 12 lines

  Merged revisions 78635 via svnmerge from
  svn+ssh://pythondev@svn.python.org/python/trunk

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    r78635 | victor.stinner | 2010-03-03 22:53:41 +0100 (mer., 03 mars 2010) | 5 lines

    Issue #3299: fix curses.panel.new_panel() error handler, replace PyObject_DEL()
    by Py_DECREF() to avoid a crash in pydebug mode.

    Use po->wo==NULL to detect than the panel is in the lop list or not.
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