[conformal/btcd] 1fd5cd: Use btcws.GetBestBlockResult.

[Josh Rickmar]

  Branch: refs/heads/master
  Home:   https://github.com/conformal/btcd
  Commit: 1fd5cd274227cbed58fc4d353ae7aa38f31b9103
      
https://github.com/conformal/btcd/commit/1fd5cd274227cbed58fc4d353ae7aa38f31b9103
  Author: Josh Rickmar <jr...@conformal.com>
  Date:   2014-04-10 (Thu, 10 Apr 2014)

  Changed paths:
    M rpcwebsocket.go

  Log Message:
  -----------
  Use btcws.GetBestBlockResult.