Add Devfs_ruleset property to reflect generated RS

cmd/list.go

@@ -273,6 +273,7 @@ func listJailsFromDirectory(dir string, dsname string) ([]Jail, error) {
 					j.JID = rj.Jid
 					j.Running = true
 					j.InternalName = rj.Name
+					j.Devfs_ruleset = rj.Devfs_ruleset
 					break
 				}
 			}