[banshee] [Audiobook] In Dispose, stop listening to event

[Gabriel Burt <gburt src gnome org>]

commit 07f12385f8d9f1f170f351e47b691dc1b784289d
Author: Gabriel Burt <gabriel burt gmail com>
Date:   Wed Jun 2 14:05:40 2010 -0700

    [Audiobook] In Dispose, stop listening to event

 .../Banshee.Audiobook/AudiobookLibrarySource.cs    |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/src/Extensions/Banshee.Audiobook/Banshee.Audiobook/AudiobookLibrarySource.cs b/src/Extensions/Banshee.Audiobook/Banshee.Audiobook/AudiobookLibrarySource.cs
index 8150604..451add6 100644
--- a/src/Extensions/Banshee.Audiobook/Banshee.Audiobook/AudiobookLibrarySource.cs
+++ b/src/Extensions/Banshee.Audiobook/Banshee.Audiobook/AudiobookLibrarySource.cs
@@ -305,13 +305,14 @@ namespace Banshee.Audiobook
 
         public override void Dispose ()
         {
+            ServiceManager.PlaybackController.SourceChanged -= OnPlaybackSourceChanged;
+            ServiceManager.PlayerEngine.DisconnectEvent (OnPlayerEvent);
+
             if (Actions != null) {
                 Actions.Dispose ();
                 Actions = null;
             }
 
-            ServiceManager.PlayerEngine.DisconnectEvent (OnPlayerEvent);
-
             base.Dispose ();
         }