FireFox apparently doesn't return any text with node.text, but it doesn't

throw an exception either. This change makes the WFS example work in 
FF -- I'll have to check the effect it has on IE. 


git-svn-id: http://svn.openlayers.org/branches/openlayers/2.0@1328 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Util.js

@@ -355,6 +355,8 @@ OpenLayers.Util.getXmlNodeValue = function(node) {
     Try.these( 
         function() {
             val = node.text;
+            if (!val)
+                val = node.textContent;
         }, 
         function() {
             val = node.textContent;