Fix another Travis CI failure about initialization list
Fix another Travis CI failure about initialization list

Summary: As title

Reviewed By: emma0303

Differential Revision: D13854566

fbshipit-source-id: 1484c5131201eab92ab62be149f6be69084a53cb

facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex