Fix for #729, WFS Transaction attributes missing, reported by Andreas.

git-svn-id: http://svn.openlayers.org/trunk/openlayers@3203 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Format/WFS.js

@@ -47,6 +47,8 @@ OpenLayers.Format.WFS.prototype =
     write: function(features) {
         
         var transaction = document.createElementNS('http://www.opengis.net/wfs', 'wfs:Transaction');
+		transaction.setAttribute("version","1.0.0");
+		transaction.setAttribute("service","WFS");
         for (var i=0; i < features.length; i++) {
             switch (features[i].state) {
                 case OpenLayers.State.INSERT: