[banshee] [EmusicService] Unsubscribe from event when disposing

[Bertrand Lorentz <blorentz src gnome org>]

commit 93eeee4dde273c20a03b3316596c9c9789cfc54f
Author: Bertrand Lorentz <bertrand lorentz gmail com>
Date:   Mon Jan 18 22:40:29 2010 +0100

    [EmusicService] Unsubscribe from event when disposing
    
    Prevents a dbus error message in the following scenario : start banshee,
    disable eMusic extension, run "banshee path/to/existing.emx" from a
    terminal.

 .../Banshee.Emusic/Banshee.Emusic/EmusicService.cs |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/Extensions/Banshee.Emusic/Banshee.Emusic/EmusicService.cs b/src/Extensions/Banshee.Emusic/Banshee.Emusic/EmusicService.cs
index 188e0c0..4d49e87 100644
--- a/src/Extensions/Banshee.Emusic/Banshee.Emusic/EmusicService.cs
+++ b/src/Extensions/Banshee.Emusic/Banshee.Emusic/EmusicService.cs
@@ -77,6 +77,7 @@ namespace Banshee.Emusic
 
         public void Dispose ()
         {
+            ServiceManager.Get<DBusCommandService> ().ArgumentPushed -= OnCommandLineArgument;
             download_manager.Dispose ();
             download_manager_iface.Dispose ();
             download_manager = null;