add meta_predicate declaration for with_local_attributes/3

This is needed for all_distinct/1 etc.

Example:

    ?- all_distinct([X,Y,Z]).
       clpz:all_distinct([X,Y,Z])
    ;  false.

diff --git a/src/lib/clpz.pl b/src/lib/clpz.pl
index fda2f3093cd8be692ac12f1a914b04bbe11f2308..e72a33c145313152517be5daa4f7d6e9445a1403 100644 (file)
--- a/src/lib/clpz.pl
+++ b/src/lib/clpz.pl
@@ -6047,6 +6047,8 @@ remove_attr(Var, Attr) :-
         functor(Term, Attr, 1),
         put_atts(Var, -Term).
 
+:- meta_predicate with_local_attributes(?, 0, ?).
+
 with_local_attributes(Vars, Goal, Result) :-
         catch((Goal,
                maplist(del_all_attrs, Vars),