[btcsuite/btcwallet] 6ba74e: Update for hdkeychain NewMaster API change.

[Dave Collins]

  Branch: refs/heads/master
  Home:   https://github.com/btcsuite/btcwallet
  Commit: 6ba74e673021e9785021eccb954ec0168fd6abab
      
https://github.com/btcsuite/btcwallet/commit/6ba74e673021e9785021eccb954ec0168fd6abab
  Author: Dave Collins <da...@conformal.com>
  Date:   2015-11-10 (Tue, 10 Nov 2015)

  Changed paths:
    M votingpool/factory_test.go
    M waddrmgr/db.go
    M waddrmgr/manager.go

  Log Message:
  -----------
  Update for hdkeychain NewMaster API change.