[tasque/transition: 114/213] Adjust backend recognition since it's no longer an interface

[Antonius Riha <antoniusri src gnome org>]

commit d5fb0dd7006223ff67c70ccf51c559c5f07a6b1e
Author: Antonius Riha <antoniusriha gmail com>
Date:   Thu Aug 16 14:00:52 2012 +0200

    Adjust backend recognition since it's no longer an interface

 src/libtasque/Application.cs |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/src/libtasque/Application.cs b/src/libtasque/Application.cs
index 53c5206..7adb421 100644
--- a/src/libtasque/Application.cs
+++ b/src/libtasque/Application.cs
@@ -307,7 +307,8 @@ namespace Tasque
 			foreach (var type in types) {
 				if (!type.IsClass)
 					continue; // Skip non-class types
-				if (type.GetInterface ("Tasque.Backends.IBackend") == null)
+				
+				if (!typeof(Backend).IsAssignableFrom (type))
 					continue;
 				
 				Debug.WriteLine ("Found Available Backend: {0}", type);