[ODE] ODE changes

[Russ Smith]

> i've updated the files in the VC6 directory, but haven't had the
> opportunity to test them.
> 
> i've updated the config.h in contrib/Mac_CFMCarbon, but i'm not sure
> if it works.
> 
> i have NOT fixed contrib/msvc7.

what i forgot to say: help from the authors of VC6 and
contrib/Mac_CFMCarbon is appreciated. i'm not sure if contrib/msvc7 is
particularly up to date anyway.

russ.

-- 
Russell Smith
http://www.q12.org