[conformal/btcd] efcf90: Use Warnf when processing directives.

[David Hill]

  Branch: refs/heads/master
  Home:   https://github.com/conformal/btcd
  Commit: efcf90d83d7c6b56fa22c991ab396c140cccd1e7
      
https://github.com/conformal/btcd/commit/efcf90d83d7c6b56fa22c991ab396c140cccd1e7
  Author: David Hill <dh...@conformal.com>
  Date:   2014-09-17 (Wed, 17 Sep 2014)

  Changed paths:
    M server.go

  Log Message:
  -----------
  Use Warnf when processing directives.