Fix lint
Fix lint

Summary: Unnecessary borrow.

Reviewed By: lblasa

Differential Revision: D35902385

fbshipit-source-id: d116305388d3a156093513d0892b245f690b4be0

facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper