linked-in drivers once again

[Vance Shipley]

> Raimo Niskanen <raimo@REDACTED> wrote:
> >
> >Vance Shipley wrote:
> >> 
> >> Why the former works is a fluke.  
> >
> >A fluke and an ugly behaviour with open_port/2. The function
> >open_port({spawn, Command}, []) was originally used for opening a port
> >that communicates with an external program - Command, and then reused
> >for opening a port that is an instance of a port driver - Command.

To be clear I agree with Raimo's version of what is happening here.
While I contend that my explanation could well have been what was
happening it is obvious to me now that it was not what was happening.
In any event the error I pointed out was the real problem with the code.

	-Vance