[btcsuite/btcwallet] 4637d6: Use 0 instead of -1 for zero-conf listtransactions...

[Josh Rickmar]

  Branch: refs/heads/master
  Home:   https://github.com/btcsuite/btcwallet
  Commit: 4637d62bafdedb5ccdc8ced299cddff4700495b9
      
https://github.com/btcsuite/btcwallet/commit/4637d62bafdedb5ccdc8ced299cddff4700495b9
  Author: Josh Rickmar <jr...@conformal.com>
  Date:   2015-05-13 (Wed, 13 May 2015)

  Changed paths:
    M wallet/wallet.go

  Log Message:
  -----------
  Use 0 instead of -1 for zero-conf listtransactions results.

Fixes #278.