Merged revisions 88337 via svnmerge from

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

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  r88337 | brett.cannon | 2011-02-04 12:24:02 -0800 (Fri, 04 Feb 2011) | 5 lines

  There was a possibility that the initialization of _sqlite, when it failed,
  would lead to a decref of a NULL.

  Fixes issue #11110.
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