ref: 69c6671eadd1789efb400758f9e0ee44dd43d271
parent: 3dff8aa36bc8a60f70dbcd88eeaff29fd8360052
author: Dmitry Kovalev <dkovalev@google.com>
date: Thu Apr 10 12:17:49 EDT 2014
Cleaning up vp9_dthread.{c, h}.
Change-Id: If33087462293605f79d9281af133091fff33a876