finagle-redis: Give attribution for a recent commit
finagle-redis: Give attribution for a recent commit

Summary: Problem

Attribution of the starting point for the recent redis Geo Commands
changes was missing and needs to be included.

Solution

Modify the finagle/CHANGES file to explicitly attribute the changes to
the Github PR listed.

JIRA Issues: GEO-4519

Differential Revision: https://phabricator.twitter.biz/D127521

twitter/finagle,twitter/finagle,luciferous/finagle,twitter/finagle,luciferous/finagle,luciferous/finagle,twitter/finagle,twitter/finagle,mkhq/finagle,luciferous/finagle,mkhq/finagle,mkhq/finagle,luciferous/finagle,mkhq/finagle,mkhq/finagle,mkhq/finagle,luciferous/finagle