Orm: model fields may be a subset of the views.

When the view asks more fields than the OM has, the result
may have less ones. Iterate through the smallest set.

bzr revid: p_christ@hol.gr-20081118143318-vvns3suey0g4e3x6

bin/osv/orm.py

@@ -852,7 +852,7 @@ class orm_template(object):
 
         arch = node.toxml(encoding="utf-8").replace('\t', '')
         fields = self.fields_get(cr, user, fields_def.keys(), context)
-        for field in fields_def:
+        for field in fields:
             fields[field].update(fields_def[field])
         return arch, fields