Merged revisions 73873 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/trunk

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  r73873 | amaury.forgeotdarc | 2009-07-07 08:49:41 +0200 (mar., 07 juil. 2009) | 2 lines

  #6420: Fix a compilation warning in the nis module, for OpenBSD and FreeBSD.
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