OS-2564 zone boot failed: could not start zoneadmd

*** 153,162 ****
--- 153,163 ----
  /*
   * Console subsystem routines.
   */
  extern int init_console(zlog_t *);
  extern void serve_console(zlog_t *);
+ extern void zcons_statechanged();
  
  /*
   * Memory capping thread creation.
   */
  extern void create_mcap_thread(zlog_t *, zoneid_t);