Disable dragging on the Yahoo API, since we implement it ourselves. Recent

API changes have made working with the Yahoo! API more painful (more errors)
but have also made available a function to change that, which we now use.
(Pullup #1052)


git-svn-id: http://svn.openlayers.org/trunk/openlayers@4793 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Layer/Yahoo.js

@@ -91,6 +91,7 @@ OpenLayers.Layer.Yahoo = OpenLayers.Class(
             var size = this.getMapObjectSizeFromOLSize(this.map.getSize());
             this.mapObject = new YMap(this.div, this.type, size);
             this.mapObject.disableKeyControls();
+            this.mapObject.disableDragMap();
         } catch(e) {}
     },