[conformal/btcd] c3a3fb: Don't bother parsing listeners if disabled.

[Dave Collins]

  Branch: refs/heads/master
  Home:   https://github.com/conformal/btcd
  Commit: c3a3fbcabf894384269b9d9d634cf6dc135c0aeb
      
https://github.com/conformal/btcd/commit/c3a3fbcabf894384269b9d9d634cf6dc135c0aeb
  Author: Dave Collins <da...@conformal.com>
  Date:   2013-11-13 (Wed, 13 Nov 2013)

  Changed paths:
    M server.go

  Log Message:
  -----------
  Don't bother parsing listeners if disabled.