[conformal/btcwallet] 9036d3: Fix hang during shutdown when client is connected.

[Javed Khan]

  Branch: refs/heads/master
  Home:   https://github.com/conformal/btcwallet
  Commit: 9036d36e68e02bec232d6d77ac186e045537171e
      
https://github.com/conformal/btcwallet/commit/9036d36e68e02bec232d6d77ac186e045537171e
  Author: Javed Khan <ja...@agiliq.com>
  Date:   2014-07-08 (Tue, 08 Jul 2014)

  Changed paths:
    M rpcserver.go

  Log Message:
  -----------
  Fix hang during shutdown when client is connected.

Closes #108.