Fix param name

redux/redux.d.ts

@@ -43,7 +43,7 @@ declare module Redux {
     function createStore(reducer: Reducer, initialState?: any): Store;
     function bindActionCreators<T>(actionCreators: T, dispatch: Dispatch): T;
     function combineReducers(reducers: any): Reducer;
-    function applyMiddleware(...middleware: Middleware[]): Function;
+    function applyMiddleware(...middlewares: Middleware[]): Function;
     function compose<T extends Function>(...functions: Function[]): T;
 }