pthread_delay_np: Add missing "return(0)".
pthread_delay_np: Add missing "return(0)".

vancegroup-mirrors/pthreads-win32,nicolaichuk/pthread-win32,vancegroup-mirrors/pthreads-win32,markpizz/pthreads4w-code,nicolaichuk/pthread-win32,markpizz/pthreads4w-code,CaptTofu/Pthreads-win32,vancegroup-mirrors/pthreads-win32,nicolaichuk/pthread-win32,markpizz/pthreads4w-code,markpizz/pthreads4w-code,vancegroup-mirrors/pthreads-win32,nicolaichuk/pthread-win32,membase/pthreads-win,VFR-maniac/pthreads-win32