tree 315095773362d4ad1d62e32e1db1148a886b97c7
parent e57473ae2282c1bbd481401388f5de1ed36191c5
author James Zern <jzern@google.com> 1493419227 -0700
committer James Zern <jzern@google.com> 1493419227 -0700

Resolve -Wshorten-64-to-32 in highbd obmc/ext-inter variance.

For 8-bit the subtrahend is small enough to fit into uint32_t.
Prevent negative variance in 10/12-bit.
Previously:
51e0c54ed Resolve -Wshorten-64-to-32 in highbd variance.

BUG=aomedia:445

Change-Id: Ibb9bfc5e926de354bbab80127012e5e1861348a3