[conformal/btcd] c55152: Always return non-zero code from btcctl on error.

[Dave Collins]

  Branch: refs/heads/master
  Home:   https://github.com/conformal/btcd
  Commit: c55152ef7ebad34f3325de4e0bb2883b628afd9b
      
https://github.com/conformal/btcd/commit/c55152ef7ebad34f3325de4e0bb2883b628afd9b
  Author: Dave Collins <da...@conformal.com>
  Date:   2013-10-22 (Tue, 22 Oct 2013)

  Changed paths:
    M util/btcctl/btcctl.go

  Log Message:
  -----------
  Always return non-zero code from btcctl on error.