Merged revisions 80320 via svnmerge from

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

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  r80320 | matthias.klose | 2010-04-21 23:45:30 +0200 (Mi, 21 Apr 2010) | 2 lines

  setup.py: search ffi.h in include dirs, if LIBFFI_INCLUDEDIR is empty.
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