message: Add missing link to byteorder
diff: @@ -142,6 +142,7 @@ someone who is a skilled friendofthetree.
  [cbor]: https://github.com/BurntSushi/rust-cbor
  [xsv]: https://github.com/BurntSushi/xsv
  [rust-csv]: https://github.com/BurntSushi/rust-csv
  +[byteorder]: https://github.com/BurntSushi/byteorder
  ## 2015-03-03 Manish Goregaokar (Manishearth)
  