[smpeg] stderr/stdout.

[Ryan C. Gordon]

> I'm not subscribed to the smpeg list any more (for many months), so I'm not
> quite sure why I got this message.  However...

Hmm...that's odd. If you can't get unsubscribed, email me off the list and
I'll remove you by hand.

> It is no longer necessary to double-parenthesize macros with a variable number
> of parameters.  Macros can accept a variable length argument list.  Define
> SMPEGDBG as follows and then you can just replace printf with SMPEGDBG:

I'd like to do it that way, but I wouldn't count on that to work on all
the strange compilers smpeg is meant to be passed through, though.

--ryan.