[CM] error building latest sndlib

[Heinrich Taube]

> is it correct to assume that these time values should be the same  
> every four notes,
> or could they be influenced by the performance on my computer?

the loop throws that data directly into a playback thread and then  
terminates . so if it drifts it has nothing to do with scheme , it  
just measn means your C thread timing is messed up.i have no idea how  
or why it would drifting