Apply bandaid to bring svr4_sys_waitsys() in line with exit1(). This

routine really need to be gutted and merged with exit1().

Reviewed by:	jhb

sys/compat/svr4/svr4_misc.c

@@ -1377,12 +1377,15 @@ svr4_sys_waitsys(td, uap)
 			 * to free anything that cpu_exit couldn't
 			 * release while still running in process context.
 			 */
-			cpu_wait(q);
+			vm_waitproc(q);
 #if defined(__NetBSD__)
 			pool_put(&proc_pool, q);
 #endif
 #ifdef __FreeBSD__
 			mtx_destroy(&q->p_mtx);
+#ifdef MAC
+                        mac_destroy_proc(q);
+#endif
 			uma_zfree(proc_zone, q);
 #endif
 			nprocs--;