[conformal/btcutil] 7ec063: Fix issues found by golint.

[Josh Rickmar]

  Branch: refs/heads/master
  Home:   https://github.com/conformal/btcutil
  Commit: 7ec063aebceb78e59b3d2d4d54a802b9cb26f8a8
      
https://github.com/conformal/btcutil/commit/7ec063aebceb78e59b3d2d4d54a802b9cb26f8a8
  Author: Josh Rickmar <jr...@conformal.com>
  Date:   2014-04-12 (Sat, 12 Apr 2014)

  Changed paths:
    M address.go

  Log Message:
  -----------
  Fix issues found by golint.