[vala] gtk+-3.0: Fix gtk_application_add_accelerator nullable parameter

[Robert Ancell <rancell src gnome org>]

commit 113dbff2f401bdf41b0bf9f5501c8f8583720aaf
Author: Robert Ancell <robert ancell canonical com>
Date:   Tue Jul 3 22:17:19 2012 +1200

    gtk+-3.0: Fix gtk_application_add_accelerator nullable parameter

 vapi/gtk+-3.0.vapi                       |    2 +-
 vapi/packages/gtk+-3.0/gtk+-3.0.metadata |    1 +
 2 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/vapi/gtk+-3.0.vapi b/vapi/gtk+-3.0.vapi
index 03e8483..eeb0db4 100644
--- a/vapi/gtk+-3.0.vapi
+++ b/vapi/gtk+-3.0.vapi
@@ -569,7 +569,7 @@ namespace Gtk {
 	public class Application : GLib.Application, GLib.ActionGroup, GLib.ActionMap {
 		[CCode (has_construct_function = false)]
 		public Application (string application_id, GLib.ApplicationFlags flags);
-		public void add_accelerator (string accelerator, string action_name, GLib.Variant parameter);
+		public void add_accelerator (string accelerator, string action_name, GLib.Variant? parameter);
 		public void add_window (Gtk.Window window);
 		public unowned GLib.MenuModel get_app_menu ();
 		public unowned GLib.MenuModel get_menubar ();
diff --git a/vapi/packages/gtk+-3.0/gtk+-3.0.metadata b/vapi/packages/gtk+-3.0/gtk+-3.0.metadata
index 67cdab7..6c3448b 100644
--- a/vapi/packages/gtk+-3.0/gtk+-3.0.metadata
+++ b/vapi/packages/gtk+-3.0/gtk+-3.0.metadata
@@ -48,6 +48,7 @@ gtk_alignment_get_padding.padding_bottom is_out="1"
 gtk_alignment_get_padding.padding_left is_out="1"
 gtk_alignment_get_padding.padding_right is_out="1"
 GtkAllocation is_value_type="1"
+gtk_application_add_accelerator.parameter nullable="1"
 gtk_application_get_windows type_arguments="unowned Window"
 GtkArg.d hidden="1"
 GtkAssistant.apply hidden="1"