Merged revisions 79618 via svnmerge from

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

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  r79618 | tarek.ziade | 2010-04-02 23:14:04 +0200 (Fri, 02 Apr 2010) | 1 line

  removed the local copy of xxmodule, and skip only test_build_ext when xxmodule is not found, not the whole unittest
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