R1:13fa19909034

Remove trailing whitespace.

Summary: OMG!!! Trailing whitespace.

Test Plan: No more trailing whitespace.

Reviewers: epriestley, #blessed_reviewers

Reviewed By: epriestley, #blessed_reviewers

Subscribers: epriestley, Korvin

Differential Revision: https://secure.phabricator.com/D9688