[Fluxus] libode internal error 2

[gabor papp]

this indeed fixes it, thanks evan!

> Where does the libode build come from which has been set to double? I
> guess this is a macports issue?
yes, this is a macports issue. although i encountered this problem in 
fedora as well.

on the other hand, this is not an overall solution, since defining 
dDOUBLE breaks the code on machines where ode was compiled with single 
precision.

best,
gabor