[hack] Fix mli breaking the build
[hack] Fix mli breaking the build

Summary:
D15095135 changed the ml typedef, but not the one in the
interface, which breaks the build.

Reviewed By: arxanas

Differential Revision: D15157020

fbshipit-source-id: 08b71ab0f8d7dab38dfb966fe4f57870dfe25c2f

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