[ODE] New patch submitted for test_cyl.cpp

[Rodrigo Hernandez]

Remi Ricard wrote:

>1- Enclose a unix header file between ifndef to be able compile under 
>windows with VC++
>  
>
Actually, the proper way would be to add #include <ode/config.h> and 
then use

#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif