[conformal/btcwallet] e3e8a0: Update for recent go-flags API changes.

[Josh Rickmar]

  Branch: refs/heads/master
  Home:   https://github.com/conformal/btcwallet
  Commit: e3e8a06661cb42c57aa5421c988832b52900f4ff
      
https://github.com/conformal/btcwallet/commit/e3e8a06661cb42c57aa5421c988832b52900f4ff
  Author: Josh Rickmar <jr...@conformal.com>
  Date:   2013-11-25 (Mon, 25 Nov 2013)

  Changed paths:
    M config.go

  Log Message:
  -----------
  Update for recent go-flags API changes.