[vala] GDBusConnection.emit_signal() takes null first arg

[Ryan Lortie <ryanl src gnome org>]

commit 81254e21a932e9720ef2b9aba3dc52c67ad2c43c
Author: Ryan Lortie <desrt desrt ca>
Date:   Mon Jun 28 22:29:34 2010 -0400

    GDBusConnection.emit_signal() takes null first arg

 vapi/gio-2.0.vapi                      |    2 +-
 vapi/packages/gio-2.0/gio-2.0.metadata |    1 +
 2 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/vapi/gio-2.0.vapi b/vapi/gio-2.0.vapi
index 4864756..bb48ded 100644
--- a/vapi/gio-2.0.vapi
+++ b/vapi/gio-2.0.vapi
@@ -182,7 +182,7 @@ namespace GLib {
 		public async GLib.Variant call (string bus_name, string object_path, string interface_name, string method_name, GLib.Variant parameters, GLib.VariantType reply_type, GLib.DBusCallFlags flags, int timeout_msec, GLib.Cancellable? cancellable = null) throws GLib.Error;
 		public GLib.Variant call_sync (string bus_name, string object_path, string interface_name, string method_name, GLib.Variant parameters, GLib.VariantType reply_type, GLib.DBusCallFlags flags, int timeout_msec, GLib.Cancellable? cancellable = null) throws GLib.Error;
 		public void close ();
-		public bool emit_signal (string destination_bus_name, string object_path, string interface_name, string signal_name, GLib.Variant parameters) throws GLib.Error;
+		public bool emit_signal (string? destination_bus_name, string object_path, string interface_name, string signal_name, GLib.Variant parameters) throws GLib.Error;
 		[CCode (type = "void", has_construct_function = false)]
 		public async DBusConnection.for_address (string address, GLib.DBusConnectionFlags flags, GLib.DBusAuthObserver observer, GLib.Cancellable? cancellable = null) throws GLib.Error;
 		[CCode (has_construct_function = false)]
diff --git a/vapi/packages/gio-2.0/gio-2.0.metadata b/vapi/packages/gio-2.0/gio-2.0.metadata
index 990f83b..af4215a 100644
--- a/vapi/packages/gio-2.0/gio-2.0.metadata
+++ b/vapi/packages/gio-2.0/gio-2.0.metadata
@@ -226,5 +226,6 @@ uid_t name="uint"
 
 g_bus_* hidden="1"
 g_dbus_connection_register_object hidden="1"
+g_dbus_connection_emit_signal.destination_bus_name nullable="1"
 
 GSettingsBackend base_class="GObject"