9723 provide support for VMM's GDT handling
Reviewed by: Robert Mustacchi <rm@joyent.com>
Reviewed by: Patrick Mooney <patrick.mooney@joyent.com>

*** 19,37 ****
--- 19,39 ----
  /*
   * Support routines for unix.
   */
  
  #include <sys/types.h>
+ #include <sys/segments.h>
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  extern ulong_t kmdb_unix_getcr0(void);
  extern ulong_t kmdb_unix_getcr2(void);
  extern ulong_t kmdb_unix_getcr3(void);
  extern ulong_t kmdb_unix_getcr4(void);
+ extern void kmdb_unix_getgdtr(desctbr_t *);
  
  #ifdef __cplusplus
  }
  #endif