[tasque/transition: 115/213] Fix NRE on uiManager in tray

[Antonius Riha <antoniusri src gnome org>]

commit 6037d4f1e6e2ac2af928400ec89b1b4af84971a0
Author: Antonius Riha <antoniusriha gmail com>
Date:   Thu Aug 16 14:01:15 2012 +0200

    Fix NRE on uiManager in tray

 src/Tasque.Gtk/GtkTray.cs |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/src/Tasque.Gtk/GtkTray.cs b/src/Tasque.Gtk/GtkTray.cs
index 04120c1..5906e9f 100644
--- a/src/Tasque.Gtk/GtkTray.cs
+++ b/src/Tasque.Gtk/GtkTray.cs
@@ -189,6 +189,10 @@ namespace Tasque
 		{
 			var backend = GtkApplication.Instance.Backend;
 			bool backendItemsSensitive = (backend != null && backend.Initialized);
+			
+			if (uiManager == null)
+				RegisterUIManager ();
+			
 			uiManager.GetAction ("/TrayIconMenu/NewTaskAction").Sensitive = backendItemsSensitive;
 			uiManager.GetAction ("/TrayIconMenu/RefreshAction").Sensitive = backendItemsSensitive;
 		}