Workflow buttons in one2many fields cause crash

Hi guys!

It seems that workflow buttons in one2many list fields fail, because the argument sent by the client is erroneous. Here is the error I get:

[2011-09-16 14:42:53,517][?] ERROR:web-services:Uncaught exception
Traceback (most recent call last):
  File "/home/fde/repository/openobject-server_trunk/openerp/osv/osv.py", line 118, in wrapper
    return f(self, dbname, *args, **kwargs)
  File "/home/fde/repository/openobject-server_trunk/openerp/osv/osv.py", line 192, in exec_workflow
    res = self.exec_workflow_cr(cr, uid, obj, method, *args)
  File "/home/fde/repository/openobject-server_trunk/openerp/osv/osv.py", line 185, in exec_workflow_cr
    return wf_service.trg_validate(uid, obj, args[0], method, cr)
  File "/home/fde/repository/openobject-server_trunk/openerp/workflow/wkf_service.py", line 78, in trg_validate
    cr.execute('select id from wkf_instance where res_id=%s and res_type=%s and state=%s', (res_id, res_type, 'active'))
  File "/home/fde/repository/openobject-server_trunk/openerp/sql_db.py", line 153, in wrapper
    return f(self, *args, **kwargs)
  File "/home/fde/repository/openobject-server_trunk/openerp/sql_db.py", line 213, in execute
    res = self._obj.execute(query, params)
DataError: ERREUR: syntaxe en entrée invalide pour l'entier : « one2many_v_id_281 »
LIGNE 1 : select id from wkf_instance where res_id=E'one2many_v_id_281...
                                                   ^

> /home/fde/repository/openobject-server_trunk/openerp/sql_db.py(213)execute()
-> res = self._obj.execute(query, params)
(Pdb) query
'select id from wkf_instance where res_id=%s and res_type=%s and state=%s'
(Pdb) params
('one2many_v_id_281', 'module.object', 'active')

revno 1045