Patch from Erik/I to fix:

Popups don't move adequately after zooming with scroll wheel
(Closes #494)


git-svn-id: http://svn.openlayers.org/trunk/openlayers@4250 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Popup/Anchored.js

@@ -91,11 +91,15 @@ OpenLayers.Popup.Anchored =
 
     /**
      * Method: moveTo
+     * Since the popup is moving to a new px, it might need also to be moved
+     *     relative to where the marker is.
      * 
      * Parameters:
      * px - {<OpenLayers.Pixel>}
      */
     moveTo: function(px) {
+        this.relativePosition = this.calculateRelativePosition(px);
+        
         var newPx = this.calculateNewPx(px);
         
         var newArguments = new Array(newPx);        

lib/OpenLayers/Popup/AnchoredBubble.js

@@ -52,9 +52,6 @@ OpenLayers.Popup.AnchoredBubble =
 
         this.setContentHTML();
         
-        this.setRicoCorners(!this.rounded);
-        this.rounded = true;
-        
         //set the popup color and opacity           
         this.setBackgroundColor(); 
         this.setOpacity();
@@ -62,6 +59,20 @@ OpenLayers.Popup.AnchoredBubble =
         return this.div;
     },
 
+    /**
+     * Method: moveTo
+     * The popup may have been moved to a new relative location, in which case
+     *     we will want to re-do the rico corners.
+     * 
+     * Parameters:
+     * px - {<OpenLayers.Pixel>}
+     */
+    moveTo: function(px) {
+        OpenLayers.Popup.Anchored.prototype.moveTo.apply(this, arguments);
+        this.setRicoCorners(!this.rounded);
+        this.rounded = true;
+    },
+
     /**
      * APIMethod: setSize
      *