8032908: getTextContent doesn't return string in JAXP

Reviewed-by: joehw

jaxp/src/com/sun/org/apache/xml/internal/dtm/ref/sax2dtm/SAX2DTM2.java

@@ -3145,7 +3145,11 @@ public class SAX2DTM2 extends SAX2DTM
                                   m_data.elementAt(-dataIndex+1));
       }
     }
-    else if (DTM.ELEMENT_NODE == type || DTM.DOCUMENT_FRAGMENT_NODE == type
+    else if (DTM.ELEMENT_NODE == type)
+    {
+      return getStringValueX(nodeHandle);
+    }
+    else if (DTM.DOCUMENT_FRAGMENT_NODE == type
              || DTM.DOCUMENT_NODE == type)
     {
       return null;