[conformal/btcd] af3110: Correct btcctl getblockhash.

[Dave Collins]

  Branch: refs/heads/master
  Home:   https://github.com/conformal/btcd
  Commit: af311078b4d3ca809ab7f7c1b5122ae3506d3999
      
https://github.com/conformal/btcd/commit/af311078b4d3ca809ab7f7c1b5122ae3506d3999
  Author: Dave Collins <da...@conformal.com>
  Date:   2013-11-07 (Thu, 07 Nov 2013)

  Changed paths:
    M util/btcctl/btcctl.go

  Log Message:
  -----------
  Correct btcctl getblockhash.

Also run gofmt while here.