[gxml] Fixed Serializable ignore default properties

[Daniel Espinosa Ortiz <despinosa src gnome org>]

commit b63c7a202bbe0c1d4c8d927b577fc207c801157a
Author: Daniel Espinosa <esodan gmail com>
Date:   Fri May 8 17:56:59 2015 -0500

    Fixed Serializable ignore default properties

 gxml/Serializable.vala |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gxml/Serializable.vala b/gxml/Serializable.vala
index 23d6b3b..e606365 100644
--- a/gxml/Serializable.vala
+++ b/gxml/Serializable.vala
@@ -336,8 +336,8 @@ namespace GXml {
         ignored_serializable_properties = new HashTable<string,ParamSpec> (str_hash, str_equal);
         ignored_serializable_properties.set ("ignored-serializable-properties",
                                              get_class ().find_property("ignored-serializable-properties"));
-        ignored_serializable_properties.set ("unknown-serializable-property",
-                                             get_class ().find_property("unknown-serializable-property"));
+        ignored_serializable_properties.set ("unknown-serializable-properties",
+                                             get_class ().find_property("unknown-serializable-properties"));
         ignored_serializable_properties.set ("unknown-serializable-nodes",
                                              get_class ().find_property("unknown-serializable-nodes"));
         ignored_serializable_properties.set ("serialized-xml-node-value",