Fix cosmetics for fail!() calls

src/test/run-fail/assert-eq-macro-fail.rs

@@ -1,4 +1,4 @@
-// error-pattern:left: 14 != right: 15
+// error-pattern:left: 14 does not equal right: 15
 
 #[deriving(Eq)]
 struct Point { x : int }

src/test/run-fail/while-fail.rs

@@ -10,5 +10,5 @@
 
 // error-pattern:giraffe
 fn main() {
-    fail!({ while true { fail!(~"giraffe")}; "clandestine" });
+    fail!({ while true { fail!("giraffe") }; "clandestine" });
 }

src/test/run-pass/nullable-pointer-iotareduction.rs

@@ -58,7 +58,7 @@ macro_rules! check_fancy {
         match t_.get_ref() {
             (23, $v) => { $chk }
             _ => fail!("Thing::<%s>(23, %s).get_ref() != (23, _)",
-                            stringify!($T), stringify!($e))
+                       stringify!($T), stringify!($e))
         }
     }}
 }