Fixing a long line

Author: eholk

src/rustc/middle/ty.rs

@@ -3138,7 +3138,8 @@ fn normalize_ty(cx: ctxt, t: t) -> t {
             match r.self_r {
                 some(_) =>
                     // This enum has a self region. Get rid of it
-                    mk_enum(cx, did, {self_r: none, self_ty: none, tps: r.tps}),
+                    mk_enum(cx, did,
+                            {self_r: none, self_ty: none, tps: r.tps}),
                 none =>
                     t
             },