tree a2f59c0130f3cd9efef9ce55232ed1a633ddc900
parent 8fc07e354a4a913818f565810c410d04c400c2e0
author Yaowu Xu <yaowu.google.com> 1525056212 -0700
committer Yaowu Xu <yaowu@google.com> 1525107271 +0000

Make type conversion explicit

This fixes a few compiler warnings for MSVC.

Change-Id: If4fa6eb3638e4cb92e982c7444e63fdc09c6f16e