Fix decorator definition, it was not returning the wrapper.

git-svn-id: https://svn.erp5.org/repos/neo/branches/prototype3@755 71dcc9de-d417-0410-9af5-da40c76e7ee4

neo/connection.py

@@ -33,6 +33,7 @@ def not_closed(func):
        if self.connector is None:
             raise ConnectorConnectionClosedException
        return func(self, *args, **kw)
+    return decorator
 
 def lockCheckWrapper(func):
     """