Make moves explicit in rfail tests

src/test/run-fail/port-type.rs

@@ -12,7 +12,7 @@ fn echo<T: Send>(c: Chan<T>, oc: Chan<Chan<T>>) {
     send(oc, Chan(&p));
 
     let x = recv(p);
-    send(c, x);
+    send(c, move x);
 }
 
 fn main() { fail ~"meep"; }

src/test/run-fail/unwind-box-res.rs

@@ -20,7 +20,7 @@ fn r(v: *int) -> r {
 fn main() unsafe {
     let i1 = ~0;
     let i1p = cast::reinterpret_cast(&i1);
-    cast::forget(i1);
+    cast::forget(move i1);
     let x = @r(i1p);
     failfn();
     log(error, x);

src/test/run-fail/unwind-move.rs

@@ -1,9 +1,9 @@
 // error-pattern:fail
-fn f(-a: @int) {
+fn f(-_a: @int) {
     fail;
 }
 
 fn main() {
     let a = @0;
-    f(a);
+    f(move a);
 }