[Author: gblevins]
[Author: gblevins]

Add explicit conversion to unichar so clang doesn't complain about an implicit conversion that loses percision.

R=thomasvl
APPROVED=thomasvl
DELTA=2  (0 added, 0 deleted, 2 changed)

git-svn-id: de279663232b6350d3cffc59c8efba27ad613299@581 7dc7ac4e-7543-0410-b95c-c1676fc8e2a3

Chilledheart/google-toolbox-for-mac,lxcid/google-toolbox-for-mac,innerfence/google-toolbox-for-mac,sbentzen/Google-Toolbox-for-Mac,Chilledheart/google-toolbox-for-mac,chakrit/gtm,senpo/google-toolbox-for-mac,Chilledheart/google-toolbox-for-mac,senpo/google-toolbox-for-mac,lxcid/google-toolbox-for-mac,Yelp/google-toolbox-for-mac,chakrit/gtm,sbentzen/Google-Toolbox-for-Mac,lxcid/google-toolbox-for-mac,sbentzen/Google-Toolbox-for-Mac,adinardi/google-toolbox-for-mac,Yelp/google-toolbox-for-mac,pepperpop/google-toolbox-for-mac,pepperpop/google-toolbox-for-mac,adinardi/google-toolbox-for-mac,senpo/google-toolbox-for-mac,pepperpop/google-toolbox-for-mac,innerfence/google-toolbox-for-mac,innerfence/google-toolbox-for-mac,chakrit/gtm,Yelp/google-toolbox-for-mac,adinardi/google-toolbox-for-mac