Merge pull request DefinitelyTyped#4751 from FalloutPL/patch-2

Update google.maps.d.ts

Author: vvakame

googlemaps/google.maps.d.ts

@@ -971,12 +971,13 @@ declare module google.maps {
     }
 
     export interface DirectionsRoute {
-        bounds: LatLngBounds;
-        copyrights: string;
         legs: DirectionsLeg[];
+        waypoint_order: number[];
         overview_path: LatLng[];
+        overview_polyline: string;
+        bounds: LatLngBounds;
+        copyrights: string;
         warnings: string[];
-        waypoint_order: number[];
     }
 
     export interface DirectionsLeg {