Call setMap instead of passing map to control

src/ol/interaction/dragzoominteraction.js

@@ -90,9 +90,9 @@ ol.interaction.DragZoom.prototype.handleDragStart =
   var browserEvent = mapBrowserEvent.browserEvent;
   if (browserEvent.isMouseActionButton() && this.condition_(browserEvent)) {
     this.dragBox_ = new ol.control.DragBox({
-      map: mapBrowserEvent.map,
       startCoordinate: this.startCoordinate
     });
+    this.dragBox_.setMap(mapBrowserEvent.map);
     return true;
   } else {
     return false;