Download patch
ref: 56767f8154f3e1d4d44a5a4426357138d828db23 parent: 1a04694d97fb4a0d5edf0ddff167a5e4b9184469 author: Licai Guo <guolicai@gmail.com> date: Mon Jan 20 19:23:41 EST 2014
add parenthses