Merge changes from topic 'Wshorten'
authorJames Zern <jzern@google.com>
Tue, 20 Sep 2016 23:17:20 +0000 (23:17 +0000)
committerGerrit Code Review <noreply-gerritcodereview@google.com>
Tue, 20 Sep 2016 23:17:20 +0000 (23:17 +0000)
* changes:
  vp8: convert some uses of unsigned long to size_t
  vp8/encoder: quiet some -Wshorten-64-to-32 warnings


Trivial merge