tree dc2617642e8b7c51f0fc448050fc9952265e9587
parent da70e7b0fa92b57b4cfb18270221b5878862394a
author Urvang Joshi <urvang@google.com> 1468525535 -0700
committer Urvang Joshi <urvang@google.com> 1477000681 -0700

Add complier warning -wunused.

Cherry-picked from aomedia/master: 953f086c

Note: related fixes were already part of webm/nextgenv2.

Change-Id: I027a4f2a540af5a304b358ddbf293965b4211b9e