einaros/ws — pull request #80 by tricknotes (2012-06-09 03:20:39+00:00)
Title: Stop showing unnecessary word 'undefined'

The variable `description` may be `undefined`.
For example, such as the following message will be displayed if error occurs.
```
error: Error: connect ECONNREFUSED undefined
```

I think that the end of message 'undefined' isn't unnecessary.