[conformal/btcd] ac375d: Use the passed addresses in parseListeners.

[Dave Collins]

  Branch: refs/heads/master
  Home:   https://github.com/conformal/btcd
  Commit: ac375df71fa4de245cb4efac487f3e6cfabcd709
      
https://github.com/conformal/btcd/commit/ac375df71fa4de245cb4efac487f3e6cfabcd709
  Author: Dave Collins <da...@conformal.com>
  Date:   2013-11-13 (Wed, 13 Nov 2013)

  Changed paths:
    M server.go

  Log Message:
  -----------
  Use the passed addresses in parseListeners.

Also, check the return error on parseListeners to catch invalid IP
addresses.