[vala] twitter-glib bindings: Fix signal param nullability

[Adrien Bustany <abustany src gnome org>]

commit e2f833b52e069c9791307e3f22cbae050413b8d6
Author: Adrien Bustany <abustany gnome org>
Date:   Fri Mar 5 12:59:13 2010 -0300

    twitter-glib bindings: Fix signal param nullability
    
    This commit marks the status param of the TwitterClient::status-received signal
    as being nullable.

 .../twitter-glib-1.0/twitter-glib-1.0.metadata     |    1 +
 vapi/twitter-glib-1.0.vapi                         |    2 +-
 2 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/vapi/packages/twitter-glib-1.0/twitter-glib-1.0.metadata b/vapi/packages/twitter-glib-1.0/twitter-glib-1.0.metadata
index ba9a627..9e268f5 100644
--- a/vapi/packages/twitter-glib-1.0/twitter-glib-1.0.metadata
+++ b/vapi/packages/twitter-glib-1.0/twitter-glib-1.0.metadata
@@ -11,3 +11,4 @@ twitter_client_get_user.email is_out="1"
 twitter_client_get_user.password is_out="1"
 twitter_date_to_time_val.time_ is_out="1"
 Twitter* cheader_filename="twitter-glib/twitter-glib.h"
+TwitterClient::status_received.status nullable="1"
diff --git a/vapi/twitter-glib-1.0.vapi b/vapi/twitter-glib-1.0.vapi
index d34a340..dd3d171 100644
--- a/vapi/twitter-glib-1.0.vapi
+++ b/vapi/twitter-glib-1.0.vapi
@@ -50,7 +50,7 @@ namespace Twitter {
 		public string user_agent { owned get; construct; }
 		public virtual signal bool authenticate (Twitter.AuthState state);
 		public virtual signal void session_ended ();
-		public virtual signal void status_received (ulong handle, Twitter.Status status, GLib.Error error);
+		public virtual signal void status_received (ulong handle, Twitter.Status? status, GLib.Error error);
 		public virtual signal void timeline_complete ();
 		public virtual signal void user_received (ulong handle, Twitter.User user, GLib.Error error);
 		public virtual signal void user_verified (ulong handle, bool is_verified, GLib.Error error);