Fix issue2550822 (3e36a3bc0335 and 843886af0ea1) for multilinks, too

Author: ThomasAH

roundup/cgi/templating.py

@@ -2281,12 +2281,13 @@ def menu(self, size=None, height=None, showid=0, additional=[],
                 if isinstance(prop, hyperdb.Link):
                     cl = self._db.getclass(prop.classname)
                     labelprop = cl.labelprop()
-                    fn = lambda optionid: cl.get(linkcl.get(optionid,
-                                                            propname),
-                                                 labelprop)
+                    fn = lambda optionid, \
+                                propname=propname, labelprop=labelprop: \
+                            cl.get(linkcl.get(optionid, propname), labelprop)
                 else:
-                    fn = lambda optionid: linkcl.get(optionid, propname)
-            additional_fns.append(fn)
+                    fn = lambda optionid, propname=propname: \
+                            linkcl.get(optionid, propname)
+                additional_fns.append(fn)
 
         for optionid in options:
             # get the option value, and if it's None use an empty string