logcat: turn on -Werror

- Deal with some -Wunused issues

Change-Id: Ic4ab9a49f13e156a73d40266e413dee3e6396178
3 files changed
tree: b7fc74ad766c659a7c3f20ef435eb30ce9b85750
  1. liblog/
  2. logcat/
  3. logd/
  4. logwrapper/