[x265] refine MC

[Derek Buitenhuis]

On 2/24/2014 9:58 AM, Satoshi Nakagawa wrote:
> # HG changeset patch
> # User Satoshi Nakagawa <nakagawa424 at oki.com>
> # Date 1393235720 -32400
> #      Mon Feb 24 18:55:20 2014 +0900
> # Node ID 8b5df2e11af069ceae450f20b7a637e40be9b5db
> # Parent  80caa9f00d7c24da67d6b24e7bf339fe74752ced
> refine MC

An actual description of the change would be nice.

- Derek