[cadcdev-tiki] Thread::create weirdness

[Dan P. <ba...@al...>]

Is there some reason for this, or can we get rid of it now?

#if TIKI_PLAT == TIKI_DC
bool create(thread_t * hndout, void (*func)(void *), void * param);
#else
bool create(thread_t * hndout, void * (*func)(void *), void * param);
#endif

In the most modern KOSes pthreads are mostly available, so we should  
probably switch off to using them. If no one complains I'm going to  
make that change some time soon...