[btcsuite/btcutil] 499e9e: Update btcec path import paths to new location.

[Dave Collins]

  Branch: refs/heads/master
  Home:   https://github.com/btcsuite/btcutil
  Commit: 499e9e0daa5be5eb34fb6e5efc091d245b38edcf
      
https://github.com/btcsuite/btcutil/commit/499e9e0daa5be5eb34fb6e5efc091d245b38edcf
  Author: Dave Collins <da...@conformal.com>
  Date:   2015-02-06 (Fri, 06 Feb 2015)

  Changed paths:
    M address.go
    M hdkeychain/extendedkey.go
    M internal_test.go
    M wif.go
    M wif_test.go

  Log Message:
  -----------
  Update btcec path import paths to new location.