Bring back LX zones.

*** 3175,3184 ****
--- 3175,3185 ----
          case JTIMOM:    /* Obsolete */
          case JZOMBOOT:  /* Obsolete */
          case JAGENT:    /* Obsolete */
          case JTRUN:     /* Obsolete */
          case JXTPROTO:  /* Obsolete */
+         case TIOCSETLD:
                  return (JCSETP);
          }
  
          return (JCGETP);
  }