ref: b339aea67520ea2dd90cedd9e626b4446824ee4f
parent: 3162371544da4bfd956951ca43422d3d8c2ca195
author: Yunqing Wang <yunqingwang@google.com>
date: Thu Mar 7 10:29:27 EST 2013
Allocate 16-byte aligned diff buffer This was done based on John's suggestion. Change-Id: I62516a513c31fe3dbea0d6cd063df79d9e819ec8