setting graphic to false by default when reading a TextSymbolizer, just like is done on other symbolizers

tests/Format/SLD/v1_0_0.html

@@ -622,6 +622,17 @@
         
     }
 
+    function test_readTextSymbolizer(t) {
+        t.plan(1);
+        var format = new OpenLayers.Format.SLD.v1_0_0({
+            multipleSymbolizers: true,
+            namedLayersAsArray: true
+        });
+        doc = readXML("point_pointwithdefaultlabel.sld");
+        var sld = format.read(doc);
+        t.eq(sld.namedLayers[0].userStyles[0].rules[0].symbolizers[1].graphic, false, "graphic set to false on TextSymbolizer");
+    }
+
     function test_roundtrip(t) {
         
         t.plan(5);