When build wrapper on FreeBSD system, is error occured with clearenv reference. clearenv() das not exists at FreeBSD system, use workaround environ[0]=NULL;
P.S. new git instalation, FreeBSD 7.x

> `#include <stupid-standards.h>` fixed with nasty ifdefs to handle tcc w/o
> breaking everything else. [[done]] --[[Joey]] 
