undo some conversions

Author: Jorge Aparicio

src/libcore/iter.rs

@@ -2539,7 +2539,7 @@ pub struct Range<A> {
 /// ```
 /// let array = [0, 1, 2, 3, 4];
 ///
-/// for i in 0..5 {
+/// for i in range(0, 5) {
 ///     println!("{}", i);
 ///     assert_eq!(i,  array[i]);
 /// }

src/librustc/util/lev_distance.rs

@@ -45,7 +45,7 @@ pub fn lev_distance(me: &str, t: &str) -> uint {
 fn test_lev_distance() {
     use std::char::{ from_u32, MAX };
     // Test bytelength agnosticity
-    for c in 0u32..MAX as u32
+    for c in (0u32..MAX as u32)
              .filter_map(|i| from_u32(i))
              .map(|i| i.to_string()) {
         assert_eq!(lev_distance(&c[], &c[]), 0);