[conformal/btcd] 6248dd: Don't return a double pointer.

[Dave Collins]

  Branch: refs/heads/master
  Home:   https://github.com/conformal/btcd
  Commit: 6248dd5e5dd695aa38fbff4369837daab72fab43
      
https://github.com/conformal/btcd/commit/6248dd5e5dd695aa38fbff4369837daab72fab43
  Author: Dave Collins <da...@conformal.com>
  Date:   2014-07-09 (Wed, 09 Jul 2014)

  Changed paths:
    M rpcserver.go

  Log Message:
  -----------
  Don't return a double pointer.

This commit has no effect on the effective functionality since Go
automatically deferences pointers, but there is no reason to have a
double indirection when returning the reply for getmininginfo.