font style support for feature label. r=erilem (closes #3051)

git-svn-id: http://svn.openlayers.org/trunk/openlayers@11744 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Renderer/SVG2.js

@@ -606,6 +606,9 @@ OpenLayers.Renderer.SVG2 = OpenLayers.Class(OpenLayers.Renderer.NG, {
         if (style.fontWeight) {
             text.setAttributeNS(null, "font-weight", style.fontWeight);
         }
+        if (style.fontStyle) {
+            text.setAttributeNS(null, "font-style", style.fontStyle);
+        }
         if(style.labelSelect === true) {
             text.setAttributeNS(null, "pointer-events", "visible");
             text._featureId = featureId;
@@ -790,4 +793,4 @@ OpenLayers.Renderer.SVG2.LABEL_VSHIFT = {
  */ 
 OpenLayers.Renderer.SVG2.preventDefault = function(e) { 
     e.preventDefault && e.preventDefault(); 
-};
+};