[vala] gstreamer: Fix Gst.ImplementsInterface bindings

[Sebastian Dröge <sdroege src gnome org>]

commit 0532f4f99653f43165328e10f4c4cae27a39946d
Author: Sebastian Dröge <sebastian droege collabora co uk>
Date:   Sun Apr 4 21:40:28 2010 +0200

    gstreamer: Fix Gst.ImplementsInterface bindings

 vapi/gstreamer-0.10.vapi                           |    4 ++--
 .../gstreamer-0.10/gstreamer-0.10-custom.vala      |    5 +++++
 .../gstreamer-0.10/gstreamer-0.10.metadata         |    2 ++
 3 files changed, 9 insertions(+), 2 deletions(-)
---
diff --git a/vapi/gstreamer-0.10.vapi b/vapi/gstreamer-0.10.vapi
index 0496392..d75b87d 100644
--- a/vapi/gstreamer-0.10.vapi
+++ b/vapi/gstreamer-0.10.vapi
@@ -1457,8 +1457,8 @@ namespace Gst {
 	}
 	[CCode (cheader_filename = "gst/gst.h")]
 	public interface ImplementsInterface : Gst.Element {
-		public static void* cast (void* from, GLib.Type type);
-		public static bool check (void* from, GLib.Type type);
+		public unowned Gst.Element? cast (GLib.Type type);
+		public bool check (GLib.Type type);
 		[NoWrapper]
 		public abstract bool supported (GLib.Type iface_type);
 	}
diff --git a/vapi/packages/gstreamer-0.10/gstreamer-0.10-custom.vala b/vapi/packages/gstreamer-0.10/gstreamer-0.10-custom.vala
index 545bdd9..43826c5 100644
--- a/vapi/packages/gstreamer-0.10/gstreamer-0.10-custom.vala
+++ b/vapi/packages/gstreamer-0.10/gstreamer-0.10-custom.vala
@@ -98,6 +98,11 @@ namespace Gst {
 	}
 #endif
 
+	public interface ImplementsInterface : Gst.Element {
+		public unowned Gst.Element? cast (GLib.Type type);
+		public bool check (GLib.Type type);
+	}
+
 	[CCode (ref_function = "gst_object_ref", unref_function = "gst_object_unref", ref_sink_function = "gst_object_ref_sink")]
 	public class Object {
 		public Gst.Object @ref ();
diff --git a/vapi/packages/gstreamer-0.10/gstreamer-0.10.metadata b/vapi/packages/gstreamer-0.10/gstreamer-0.10.metadata
index 1028e49..f70dff9 100644
--- a/vapi/packages/gstreamer-0.10/gstreamer-0.10.metadata
+++ b/vapi/packages/gstreamer-0.10/gstreamer-0.10.metadata
@@ -195,6 +195,8 @@ gst_format_get_name hidden="1"
 GstFormatDefinition is_value_type="1"
 GstGhostPad base_class="GstPad"
 GstGhostPadClass hidden="1"
+gst_implements_interface_cast hidden="1"
+gst_implements_interface_check hidden="1"
 gst_index_entry_copy transfer_ownership="1"
 gst_init hidden="1"
 gst_init_get_option_group transfer_ownership="1"