[btcsuite/btcwallet] 736a46: Use negative fees with listtransaction result type...

[Josh Rickmar]

  Branch: refs/heads/master
  Home:   https://github.com/btcsuite/btcwallet
  Commit: 736a46ff81c7f0e79164253c353d13a577408a08
      
https://github.com/btcsuite/btcwallet/commit/736a46ff81c7f0e79164253c353d13a577408a08
  Author: Josh Rickmar <jr...@conformal.com>
  Date:   2015-05-13 (Wed, 13 May 2015)

  Changed paths:
    M wallet/wallet.go

  Log Message:
  -----------
  Use negative fees with listtransaction result types.

This matches Bitcoin Core Wallet.

Fixes #272.