Bugzilla bug 362768: restored the _pt_thread_death call in _PR_Fini because

the cause of the hang on Mozilla shutdown (JavaScript bug 366869) has been
fixed.

nsprpub/pr/src/pthreads/ptthread.c

@@ -987,9 +987,7 @@ static void _PR_Fini(void)
     _PT_PTHREAD_GETSPECIFIC(pt_book.key, thred);
     if (NULL != thred)
     {
-#if 0  /* see bug 362768 comment 14 */
         _pt_thread_death(thred);
-#endif
         rv = pthread_setspecific(pt_book.key, NULL);
         PR_ASSERT(0 == rv);
     }