updated example documentation for EditorScenePostImport

doc/classes/EditorScenePostImport.xml

@@ -28,12 +28,12 @@
 		// This sample changes all node names.
 		// Called right after the scene is imported and gets the root node.
 		[Tool]
-		public class NodeRenamer : EditorScenePostImport
+		public partial class NodeRenamer : EditorScenePostImport
 		{
-		    public override Object PostImport(Object scene)
+		    public override Object _PostImport(Node scene)
 		    {
 		        // Change all node names to "modified_[oldnodename]"
-		        Iterate(scene as Node);
+		        Iterate(scene);
 		        return scene; // Remember to return the imported scene
 		    }
 		    public void Iterate(Node node)