[conformal/btcd] 8975c0: Update go-flags import paths to new location.

[Dave Collins]

  Branch: refs/heads/master
  Home:   https://github.com/conformal/btcd
  Commit: 8975c0c4593af2e053acbe64492b02e3cfc59f1f
      
https://github.com/conformal/btcd/commit/8975c0c4593af2e053acbe64492b02e3cfc59f1f
  Author: Dave Collins <da...@conformal.com>
  Date:   2015-01-16 (Fri, 16 Jan 2015)

  Changed paths:
    M config.go
    M util/addblock/config.go
    M util/btcctl/btcctl.go
    M util/btcctl/config.go
    M util/dropafter/dropafter.go
    M util/findcheckpoint/config.go
    M util/gencerts/gencerts.go
    M util/showblock/showblock.go

  Log Message:
  -----------
  Update go-flags import paths to new location.