[PD] pd and 64bit Linux again

[Thomas Grill]

>
> Just to make things one bit more compicated, I've updated the included
> version of portaudio and added optional callback scheduling too --
> I'll probably upload changes to CVS after another day or so of  
> testing.

I'm very curious about your implementation. Tim and I had to make  
various tricky things to achieve proper timing and audio device  
configuration within devel_0_39. I'll check in some more fixes  
hopefully tomorrow. Looking forward to the pdconf!
greetings, Thomas