[empathy] Update the Tabs menu when a tab is moved.

[Guillaume Desmottes <gdesmott src gnome org>]

commit 60597b2520aebd3b13a5e576ec72d53febc15a5f
Author: Mike Ruprecht <mike ruprecht collabora co uk>
Date:   Sat Apr 17 03:31:04 2010 -0500

    Update the Tabs menu when a tab is moved.
    
    Previously when a tab was moved, the Tabs menu didn't update
    regarding the directions the tab could further be moved. If
    wrapping is off, a tab on the edge moved one way couldn't be
    moved back. Fixes #616012

 src/empathy-chat-window.c |   10 ++++++++--
 1 files changed, 8 insertions(+), 2 deletions(-)
---
diff --git a/src/empathy-chat-window.c b/src/empathy-chat-window.c
index 2934d35..1e43730 100644
--- a/src/empathy-chat-window.c
+++ b/src/empathy-chat-window.c
@@ -1078,7 +1078,7 @@ chat_window_tabs_left_activate_cb (GtkAction         *action,
 {
 	EmpathyChatWindowPriv *priv;
 	EmpathyChat           *chat;
-	gint                  index_;
+	gint                  index_, num_pages;
 
 	priv = GET_PRIV (window);
 
@@ -1091,6 +1091,9 @@ chat_window_tabs_left_activate_cb (GtkAction         *action,
 	gtk_notebook_reorder_child (GTK_NOTEBOOK (priv->notebook),
 				    GTK_WIDGET (chat),
 				    index_ - 1);
+
+	num_pages = gtk_notebook_get_n_pages (GTK_NOTEBOOK (priv->notebook));
+	chat_window_menu_context_update (priv, num_pages);
 }
 
 static void
@@ -1099,7 +1102,7 @@ chat_window_tabs_right_activate_cb (GtkAction         *action,
 {
 	EmpathyChatWindowPriv *priv;
 	EmpathyChat           *chat;
-	gint                  index_;
+	gint                  index_, num_pages;
 
 	priv = GET_PRIV (window);
 
@@ -1109,6 +1112,9 @@ chat_window_tabs_right_activate_cb (GtkAction         *action,
 	gtk_notebook_reorder_child (GTK_NOTEBOOK (priv->notebook),
 				    GTK_WIDGET (chat),
 				    index_ + 1);
+
+	num_pages = gtk_notebook_get_n_pages (GTK_NOTEBOOK (priv->notebook));
+	chat_window_menu_context_update (priv, num_pages);
 }
 
 static void