tree e0c34a02537d63d09a99ff841fbddf4f0ecd39d7
parent 3317d5017963684cdbf4573d6cc6c0ff4cee0869
author Tao Bao <tbao@google.com> 1443117408 -0700
committer Tao Bao <tbao@google.com> 1443118018 -0700

Suppress some compiler warnings due to signedness.

Change-Id: I63f28b3b4ba4185c23b972fc8f93517295b1672a