Merged revisions 64976-64977 via svnmerge from

Merged revisions 64976-64977 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

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  r64976 | thomas.heller | 2008-07-15 21:39:38 +0200 (Tue, 15 Jul 2008) | 3 lines

  Issue #3313: Contrary to the man page, a failed dlopen() call does not
  always set a dlerror() message.
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  r64977 | thomas.heller | 2008-07-15 21:44:25 +0200 (Tue, 15 Jul 2008) | 2 lines

  Add Victor Stinner, he provided the patch for issue #3313.
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