[kupfer] helplib: Fix a bug with reverse_action

[Ulrik Sverdrup <usverdrup src gnome org>]

commit 59d2e4795c7ad48ca0182ee3493510a06f54e20a
Author: Ulrik Sverdrup <ulrik sverdrup gmail com>
Date:   Sun Jan 3 13:02:53 2010 +0100

    helplib: Fix a bug with reverse_action

 kupfer/helplib.py |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/kupfer/helplib.py b/kupfer/helplib.py
index a8dd12f..4f50669 100644
--- a/kupfer/helplib.py
+++ b/kupfer/helplib.py
@@ -198,7 +198,7 @@ def reverse_action(action, rank=0):
 			return action.object_types(self)
 		def valid_for_item(self, leaf):
 			try:
-				return leaf.valid_object(leaf)
+				return action.valid_object(self, leaf)
 			except AttributeError:
 				return True
 		def object_types(self):