Add support to Format.OSM to reproject on writing. Initial suggestion from

Arnd Wipperman, turned into a patch by me, r=bartvde (Closes #2988)


git-svn-id: http://svn.openlayers.org/trunk/openlayers@11647 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Format/OSM.js

@@ -347,6 +347,13 @@ OpenLayers.Format.OSM = OpenLayers.Class(OpenLayers.Format.XML, {
         'point': function(point) {
             var id = null;
             var geometry = point.geometry ? point.geometry : point;
+            
+            if (this.internalProjection && this.externalProjection) {
+                geometry = geometry.clone();
+                geometry.transform(this.internalProjection, 
+                                   this.externalProjection);
+            }                       
+            
             var already_exists = false; // We don't return anything if the node
                                         // has already been created
             if (point.osm_id) {