Int overflow fixes, e.g., string length overflow.
authorPaul Eggert <eggert@cs.ucla.edu>
Wed, 18 May 2011 00:52:24 +0000 (17:52 -0700)
committerPaul Eggert <eggert@cs.ucla.edu>
Wed, 18 May 2011 00:52:24 +0000 (17:52 -0700)

Trivial merge