Correct the tracking of various bits of the process's vmspace and vm_map when not propogated on fork (due to minherit(2)).  Consistency checks otherwise fail when the vm_map is freed and it appears to have not been emptied completely, causing an INVARIANTS panic in vm_map_zdtor().
Correct the tracking of various bits of the process's vmspace and vm_map
when not propogated on fork (due to minherit(2)).  Consistency checks
otherwise fail when the vm_map is freed and it appears to have not been
emptied completely, causing an INVARIANTS panic in vm_map_zdtor().

PR:		kern/68017
Submitted by:	Mark W. Krentel <krentel@dreamscape.com>
Reviewed by:	alc

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase