nfssrv: nfsstat reports zeroed data in zone

*** 841,854 ****
          data = kmem_alloc(MAXPATHLEN + 1, KM_SLEEP);
  
          if (is_referral) {
                  char *s;
                  size_t strsz;
  
                  /* Get an artificial symlink based on a referral */
                  s = build_symlink(vp, cr, &strsz);
!                 global_svstat_ptr[3][NFS_REFERLINKS].value.ui64++;
                  DTRACE_PROBE2(nfs3serv__func__referral__reflink,
                      vnode_t *, vp, char *, s);
                  if (s == NULL)
                          error = EINVAL;
                  else {
--- 841,855 ----
          data = kmem_alloc(MAXPATHLEN + 1, KM_SLEEP);
  
          if (is_referral) {
                  char *s;
                  size_t strsz;
+                 kstat_named_t *stat = exi->exi_ne->ne_globals->svstat[NFS_V3];
  
                  /* Get an artificial symlink based on a referral */
                  s = build_symlink(vp, cr, &strsz);
!                 stat[NFS_REFERLINKS].value.ui64++;
                  DTRACE_PROBE2(nfs3serv__func__referral__reflink,
                      vnode_t *, vp, char *, s);
                  if (s == NULL)
                          error = EINVAL;
                  else {