[btcsuite/btcutil] 955641: Update for recent wire API hash error changes.

[Dave Collins]

  Branch: refs/heads/master
  Home:   https://github.com/btcsuite/btcutil
  Commit: 9556412b01d69fe1feffe1bddcdf456e47239790
      
https://github.com/btcsuite/btcutil/commit/9556412b01d69fe1feffe1bddcdf456e47239790
  Author: Dave Collins <da...@conformal.com>
  Date:   2015-04-17 (Fri, 17 Apr 2015)

  Changed paths:
    M block.go
    M tx.go

  Log Message:
  -----------
  Update for recent wire API hash error changes.