[conformal/btcd] bcb5a2: Add comment to ErrBadAuth to make go lint happy.

[Dave Collins]

  Branch: refs/heads/master
  Home:   https://github.com/conformal/btcd
  Commit: bcb5a21b3799229a0cda57b4101a991e74b89748
      
https://github.com/conformal/btcd/commit/bcb5a21b3799229a0cda57b4101a991e74b89748
  Author: Dave Collins <da...@conformal.com>
  Date:   2014-02-04 (Tue, 04 Feb 2014)

  Changed paths:
    M rpcwebsocket.go

  Log Message:
  -----------
  Add comment to ErrBadAuth to make go lint happy.