[vala] gio-2.0: source_object of SimpleAsyncResult constructor is nullable.

[Evan Nemerson <evann src gnome org>]

commit e5fb7827b1490f192b1835296d0e17aa3c80d591
Author: Luca Bruno <lethalman88 gmail com>
Date:   Sun Jan 24 23:53:46 2010 -0800

    gio-2.0: source_object of SimpleAsyncResult constructor is nullable.
    
    Fixes bug 607149.

 vapi/gio-2.0.vapi                      |    2 +-
 vapi/packages/gio-2.0/gio-2.0.metadata |    2 ++
 2 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/vapi/gio-2.0.vapi b/vapi/gio-2.0.vapi
index 9b06128..3ff0599 100644
--- a/vapi/gio-2.0.vapi
+++ b/vapi/gio-2.0.vapi
@@ -638,7 +638,7 @@ namespace GLib {
 	[CCode (cheader_filename = "gio/gio.h")]
 	public class SimpleAsyncResult : GLib.Object, GLib.AsyncResult {
 		[CCode (has_construct_function = false)]
-		public SimpleAsyncResult (GLib.Object source_object, GLib.AsyncReadyCallback callback, void* source_tag);
+		public SimpleAsyncResult (GLib.Object? source_object, GLib.AsyncReadyCallback callback, void* source_tag);
 		public void complete ();
 		public void complete_in_idle ();
 		[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 cebeaac..ab4e17a 100644
--- a/vapi/packages/gio-2.0/gio-2.0.metadata
+++ b/vapi/packages/gio-2.0/gio-2.0.metadata
@@ -156,3 +156,5 @@ g_settings_list_add transfer_ownership="1"
 g_settings_list_get transfer_ownership="1"
 g_settings_list_list is_array="1" transfer_ownership="1" array_length_pos="1"
 g_settings_list_list.n_items hidden="1"
+
+g_simple_async_result_new.source_object nullable="1"