ref: ee38c4184b46869616e1b0a0d207f34bbed8e7eb
parent: 28826a913c81d415a6a757c6f916cc94dff2d355
author: James Zern <jzern@google.com>
date: Fri Nov 2 14:59:52 EDT 2012
loopfilter: prevent signed integer overflow use unsigned ints to extended filter values in vp9_mbloop_filter_horizontal_edge_c_sse2 Change-Id: I55ec3ac2bcb9baf55626b0384d151b07fc8e087d