message: fix typescript definitions
diff: @@ -28,8 +28,8 @@ import { Action } from "../../dispatcher/actions";
  interface IProps {
  onQueryUpdate: (newQuery: string) => void;
  isMinimized: boolean;
  - onVerticalArrow(ev: React.KeyboardEvent);
  - onEnter(ev: React.KeyboardEvent);
  + onVerticalArrow(ev: React.KeyboardEvent): void;
  + onEnter(ev: React.KeyboardEvent): boolean;
  }
  interface IState {
  