Correct licenses.

src/librustc_typeck/check/assoc.rs

@@ -1,6 +1,5 @@
 // Copyright 2014 The Rust Project Developers. See the COPYRIGHT
 // file at the top-level directory of this distribution and at
-// Copyright 2012-2014 The Rust Project Developers. See the COPYRIGHT
 // http://rust-lang.org/COPYRIGHT.
 //
 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or

src/test/compile-fail/associated-types-no-suitable-supertrait.rs

@@ -1,3 +1,13 @@
+// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
 #![feature(associated_types)]
 
 // Check that we get an error when you use `<Self as Get>::Value` in