[gxml] Ported Serializable.deserialize_unknown_property_type signal to GXml.Node

[Daniel Espinosa Ortiz <despinosa src gnome org>]

commit a529de1a995a8b59392f881ad1d81bea8facdc46
Author: Daniel Espinosa <esodan gmail com>
Date:   Wed Apr 29 10:37:20 2015 -0500

    Ported Serializable.deserialize_unknown_property_type signal to GXml.Node

 gxml/Serializable.vala     |    2 +-
 test/SerializableTest.vala |    3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/gxml/Serializable.vala b/gxml/Serializable.vala
index 09ce568..df5bbc6 100644
--- a/gxml/Serializable.vala
+++ b/gxml/Serializable.vala
@@ -233,7 +233,7 @@ namespace GXml {
      * @param node a { link GXml.xNode} to get attribute from
      * @param prop a { link GLib.ParamSpec} describing attribute to deserialize
      */
-    public signal void deserialize_unknown_property_type (GXml.xNode node,
+    public signal void deserialize_unknown_property_type (GXml.Node node,
                                                           ParamSpec prop);
 
     /**
diff --git a/test/SerializableTest.vala b/test/SerializableTest.vala
index 068c74c..a4dda94 100644
--- a/test/SerializableTest.vala
+++ b/test/SerializableTest.vala
@@ -104,8 +104,9 @@ public class SerializableCapsicum : GXml.SerializableJson {
           Want an example using GBoxed too
           Perhaps these shouldn't be object methods, perhaps they should be static?
           Can't have static methods in an interface :(, right? */
-       public void deserialize_unknown_property_type (GXml.xNode element, ParamSpec prop)
+       public void deserialize_unknown_property_type (GXml.Node elem, ParamSpec prop)
        {
+               xNode element = (xNode) elem;
                GLib.Value outvalue = GLib.Value (typeof (int));
                switch (prop.name) {
                case "ratings":