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

@@ -727,10 +727,18 @@
         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);
 }