tree c1edc80194a19b7b443611acd0ffdea2ddfe130a
parent 2f9400b679ffe08f7190781e64edda5edf0f7297
author Elliott Hughes <enh@google.com> 1401834154 -0700
committer Elliott Hughes <enh@google.com> 1401834154 -0700

Turn on -Wunused and fix the mistakes it uncovers.

Change-Id: I023d2d8b547fbc21d4124bb7510d42b06a0dc501