tree ad1953f0c21fb1ccfd7c5f93f790b777067d79a1
parent c506784b08473f3ba8f37d588fd08d8d3f948245
author zhanyong.wan <zhanyong.wan@861a406c-534a-0410-8894-cb66d6ee9925> 1371581065 +0000
committer zhanyong.wan <zhanyong.wan@861a406c-534a-0410-8894-cb66d6ee9925> 1371581065 +0000

Fixes compatibility with C++11: (1 - 1) is no longer a NULL pointer constant.