vinumclose: Fix day-one bug.  Subdisks and plexes were not being 	    marked closed.  This made it impossible to stop Vinum 	    after explicitly opening a plex or subdisk.
vinumclose: Fix day-one bug.  Subdisks and plexes were not being
	    marked closed.  This made it impossible to stop Vinum
	    after explicitly opening a plex or subdisk.

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