OS-208 DTrace needs to use zone_did to match zone-limited enablings

*** 727,736 ****
--- 727,744 ----
          return (cr->cr_zone == NULL ?
              (cr->cr_uid == -1 ? (zoneid_t)-1 : GLOBAL_ZONEID) :
              cr->cr_zone->zone_id);
  }
  
+ zoneid_t
+ crgetzonedid(const cred_t *cr)
+ {
+         return (cr->cr_zone == NULL ?
+             (cr->cr_uid == -1 ? (zoneid_t)-1 : GLOBAL_ZONEID) :
+             cr->cr_zone->zone_did);
+ }
+ 
  projid_t
  crgetprojid(const cred_t *cr)
  {
          return (cr->cr_projid);
  }