tree 7b9f062da2f99530b9a566f9e3c886b24e5100aa
parent d5b3eae7c114c2ed65b3e799a8ed166a0bef0248
author Yingdi Yu <yuyingdi@gmail.com> 1442550695 -0700
committer Yingdi Yu <yuyingdi@gmail.com> 1442550695 -0700

fix clang compilation warning after xcode upgrade

Change-Id: I85178a9abad8f931d8c33bfd9088194d24469f7b