Merged revisions 88550 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/branches/py3k

........
  r88550 | antoine.pitrou | 2011-02-24 21:50:49 +0100 (jeu., 24 févr. 2011) | 4 lines

  Issue #11286: Raise a ValueError from calling PyMemoryView_FromBuffer with
  a buffer struct having a NULL data pointer.
........