Merged revisions 70682,70684 via svnmerge from

Merged revisions 70682,70684 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

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  r70682 | mark.dickinson | 2009-03-29 17:17:16 +0100 (Sun, 29 Mar 2009) | 3 lines

  Issue #532631:  Add paranoid check to avoid potential buffer overflow
  on systems with sizeof(int) > 4.
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  r70684 | mark.dickinson | 2009-03-29 17:24:29 +0100 (Sun, 29 Mar 2009) | 3 lines

  Issue #532631: Apply floatformat changes to unicodeobject.c
  as well as stringobject.c.
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