uts: Allow for address space randomisation.
Randomise the base addresses of shared objects, non-fixed mappings, the
stack and the heap.  Introduce a service, svc:/system/process-security,
and a tool psecflags(1) to control and observe it

@@ -2938,10 +2938,11 @@
         __nthreads;
         __openattrdirat;
         option_to_attr;
         __priv_bracket;
         __priv_relinquish;
+        psecflags;
         pset_assign_forced;
         pset_bind_lwp;
         _psignal;
         _pthread_setcleanupinit;
         __putwchar_xpg5;