syntax: Minor cleanup

Author: erickt

src/libsyntax/codemap.rs

@@ -20,11 +20,10 @@
 pub use self::MacroFormat::*;
 
 use std::cell::RefCell;
+use std::fmt;
 use std::ops::{Add, Sub};
 use std::rc::Rc;
 
-use std::fmt;
-
 use serialize::{Encodable, Decodable, Encoder, Decoder};