[conformal/btcd] 4c184e: Use consistent wrapping for externalip config opt.

[Dave Collins]

  Branch: refs/heads/master
  Home:   https://github.com/conformal/btcd
  Commit: 4c184ead54a6c8c1868a95ba02ae22186f227525
      
https://github.com/conformal/btcd/commit/4c184ead54a6c8c1868a95ba02ae22186f227525
  Author: Dave Collins <da...@conformal.com>
  Date:   2013-12-24 (Tue, 24 Dec 2013)

  Changed paths:
    M config.go

  Log Message:
  -----------
  Use consistent wrapping for externalip config opt.