fix for Process signaling. When they are waiting for a Semaphore, that Sema should become their list
fix for Process signaling. When they are waiting for a Semaphore, that Sema should become their list

HPI-SWA-Lab/RSqueak,HPI-SWA-Lab/RSqueak,HPI-SWA-Lab/RSqueak,HPI-SWA-Lab/RSqueak