[btcsuite/btcd] 54b454: mining: Fix duplicate transactions in prio heap

[Dave Collins]

  Branch: refs/heads/master
  Home:   https://github.com/btcsuite/btcd
  Commit: 54b454ed3d16328f9f06a8634249ec1a37200aa8
      
https://github.com/btcsuite/btcd/commit/54b454ed3d16328f9f06a8634249ec1a37200aa8
  Author: Dave Collins <d...@davec.name>
  Date:   2016-10-25 (Tue, 25 Oct 2016)

  Changed paths:
    M mining.go

  Log Message:
  -----------
  mining: Fix duplicate transactions in prio heap