Fix parse error in constrained-type-missing-check.rs

Author: mbrubeck

src/test/compile-fail/constrained-type-missing-check.rs

@@ -4,7 +4,7 @@
 
 pure fn less_than(x: int, y: int) -> bool { ret x < y; }
 
-type ordered_range = {low: int, high: int} : less_than(low, high);
+type ordered_range = {low: int, high: int} : less_than(*.low, *.high);
 
 fn main() {
     // Should fail to compile, b/c we're not doing the check
@@ -13,4 +13,4 @@ fn main() {
     let b: int = 2;
     let c: ordered_range = {low: a, high: b};
     log c.low;
-}
+}