[vala] update GVariant bindings

[Ryan Lortie <ryanl src gnome org>]

commit 65335c82d04aadc6c5a02ab88dce918a81985cf5
Author: Ryan Lortie <desrt desrt ca>
Date:   Sun Mar 28 11:52:28 2010 -0500

    update GVariant bindings

 vapi/glib-2.0.vapi |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/vapi/glib-2.0.vapi b/vapi/glib-2.0.vapi
index f750369..5d3040d 100644
--- a/vapi/glib-2.0.vapi
+++ b/vapi/glib-2.0.vapi
@@ -3837,6 +3837,12 @@ namespace GLib {
 		public uint hash ();
 		public bool equal (Variant other);
 
+		public Variant byteswap ();
+		public Variant get_normal_form ();
+		public bool is_normal_form ();
+		[CCode (returns_floating_reference = true, simple_generics = true)]
+		public static Variant new_from_data<T> (uchar[] data, [CCode (destroy_notify_pos = 37.5)] owned T? owner);
+
 		[CCode (cname = "g_variant_iter_new")]
 		public VariantIter iterator ();
 	}