safely allocated on the thread stack. Moved the GC scanning code into NSPR in a new file called prgcleak.c. (Checkin for Patrick Beard.) Modified files: primpl.h, prinit.c, prthinfo.c, pruthr.c. Added file: prgcleak.c. git-svn-id: svn://10.0.0.236/trunk@55621 18797224-902f-48f8-a5cc-f745e15eee43