trivial diff: fix NU-Prolog syntax error

[Fergus Henderson]

Estimated hours taken: 0.25

library/builtin.m:
	Add spaces around `::' operators, to avoid syntax errors in NU-Prolog.

Index: library/builtin.m
===================================================================
RCS file: /home/mercury1/repository/mercury/library/builtin.m,v
retrieving revision 1.8
diff -u -r1.8 builtin.m
--- builtin.m	1998/11/06 09:59:06	1.8
+++ builtin.m	1998/11/07 02:05:29
@@ -215,12 +215,12 @@
 :- mode cc_cast(pred(out) is cc_nondet) = out(pred(out) is semidet) is det.
 :- mode cc_cast(pred(out) is cc_multi) = out(pred(out) is det) is det.
 
-:- pragma c_code(cc_cast(X::(pred(out) is cc_multi)) =
-                        (Y::out(pred(out) is det)),
+:- pragma c_code(cc_cast(X :: (pred(out) is cc_multi)) =
+                        (Y :: out(pred(out) is det)),
                 [will_not_call_mercury, thread_safe],
                 "Y = X;").
-:- pragma c_code(cc_cast(X::(pred(out) is cc_nondet)) =
-                        (Y::out(pred(out) is semidet)),
+:- pragma c_code(cc_cast(X :: (pred(out) is cc_nondet)) =
+                        (Y :: out(pred(out) is semidet)),
                 [will_not_call_mercury, thread_safe],
                 "Y = X;").
 

-- 
Fergus Henderson <fjh at cs.mu.oz.au>  |  "I have always known that the pursuit
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