Fix Changelog link for v1.0.4.

Author: chriskrycho

CHANGELOG.md

@@ -139,7 +139,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/) a
 [1.1.0]: https://github.com/typed-ember/ember-cli-typescript/compare/v1.0.6...v1.1.0
 [1.0.6]: https://github.com/typed-ember/ember-cli-typescript/compare/v1.0.5...v1.0.6
 [1.0.5]: https://github.com/typed-ember/ember-cli-typescript/compare/v1.0.4...v1.0.5
-[1.0.3]: https://github.com/typed-ember/ember-cli-typescript/compare/v1.0.3...v1.0.4
+[1.0.4]: https://github.com/typed-ember/ember-cli-typescript/compare/v1.0.3...v1.0.4
 [1.0.3]: https://github.com/typed-ember/ember-cli-typescript/compare/v1.0.2...v1.0.3
 [1.0.2]: https://github.com/typed-ember/ember-cli-typescript/compare/v1.0.1...v1.0.2
 [1.0.1]: https://github.com/typed-ember/ember-cli-typescript/compare/v1.0.0...v1.0.1