[IMP] ir.filters: correct misleading tooltip

Currently, filters without any assigned user
are only usable by the system, e.g. for
driving marketing campaign segments
(in the marketing_campaign module).

lp bug: https://launchpad.net/bugs/802976 fixed

bzr revid: odo@openerp.com-20120207175927-v63kcnrwq8bgacdx

openerp/addons/base/ir/ir_filters.py

@@ -62,7 +62,7 @@ class ir_filters(osv.osv):
 
     _columns = {
         'name': fields.char('Filter Name', size=64, translate=True, required=True),
-        'user_id':fields.many2one('res.users', 'User', help="The user this filter is available to. Keep empty to make it available to all users."),
+        'user_id':fields.many2one('res.users', 'User', help="The user this filter is available to. When left empty the filter is usable by the system only."),
         'domain': fields.text('Domain Value', required=True),
         'context': fields.text('Context Value', required=True),
         'model_id': fields.selection(_list_all_models, 'Object', size=64, required=True),