[btcsuite/btcwallet] 5d6392: Fix race in TestThrottle test.

[Josh Rickmar]

  Branch: refs/heads/master
  Home:   https://github.com/btcsuite/btcwallet
  Commit: 5d6392b65d25818f52a19c23d4a2f7bb5716fdb3
      
https://github.com/btcsuite/btcwallet/commit/5d6392b65d25818f52a19c23d4a2f7bb5716fdb3
  Author: Josh Rickmar <jr...@companyzero.com>
  Date:   2016-03-16 (Wed, 16 Mar 2016)

  Changed paths:
    M rpc/legacyrpc/rpcserver_test.go

  Log Message:
  -----------
  Fix race in TestThrottle test.

Closes #355.