Don't import parameter values in jail_getv, except for the search key. Remove the internal jailparam_vlist, in favor of using variants of its  logic separately in jail_setv and jail_getv. Free the temporary parameter list and exported values in jail_setv  and jail_getv.
Don't import parameter values in jail_getv, except for the search key.
Remove the internal jailparam_vlist, in favor of using variants of its
 logic separately in jail_setv and jail_getv.
Free the temporary parameter list and exported values in jail_setv
 and jail_getv.

Noted by:	Stanislav Uzunchev
MFC after:	3 days

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