Fixes Nat to be safe for normal uses. https://codereview.appspot.com/10709046
Fixes Nat to be safe for normal uses.
https://codereview.appspot.com/10709046

Fixes https://code.google.com/p/google-caja/issues/detail?id=1801

R=felix8a@gmail.com


git-svn-id: eb21526166532bd3afc2c1499c0cf105ce815f5a@5487 360991c0-9f3b-0410-ba87-8b362a00edf4

googlearchive/caja,googlearchive/caja,jasvir/caja,wishabi/caja-1,initaldk/caja,jasvir/caja,googlearchive/caja,wishabi/caja-1,wishabi/caja-1,jasvir/caja,initaldk/caja,initaldk/caja,cepm-nate/caja,jasvir/caja,cepm-nate/caja,wishabi/caja-1,jasvir/caja,wishabi/caja-1,initaldk/caja,cepm-nate/caja,googlearchive/caja,wishabi/caja-1,initaldk/caja,initaldk/caja,googlearchive/caja,jasvir/caja,cepm-nate/caja,googlearchive/caja,cepm-nate/caja,cepm-nate/caja