Fix Flow's build
Fix Flow's build

Summary: D15655333 broke this -- see my comment there

Reviewed By: jbrown215

Differential Revision: D15742234

fbshipit-source-id: 5e17b30ebd76cece9c748c5419f472199dab54c4

nmote/flow,nmote/flow,nmote/flow,nmote/flow,nmote/flow,nmote/flow,nmote/flow