ref: 3c7a06c3cce396deecad5a925258f6cf10bcc7ee
parent: d9892e846f893b3547d223b2de230b52d5b9462d
author: hkuang <hkuang@google.com>
date: Thu Dec 11 07:27:25 EST 2014
Remove unnecessary dqcoeff memset. dqcoeff is set to be 0 on initialization. And set back to 0 after being used everytime. Change-Id: I32b8e149bba40a8d707849f737a8e49a691f319c