R1:bca9dfa10e3d

Fix for D6260

Summary: Fixes a query in √D6260.

Test Plan: View a Releeph RQ and verify that the "churn" field renders and has the right numbers in it.

Reviewers: epriestley, btrahan

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D6702