4851 IPsec should use NANOSEC & friends from time.h

*** 1071,1082 ****
           * msec. Convert interval (in msec) to hrtime (in nsec).
           */
  
          if (ipst->ips_ipsec_policy_log_interval) {
                  if (ipss->ipsec_policy_failure_last +
!                     ((hrtime_t)ipst->ips_ipsec_policy_log_interval *
!                     (hrtime_t)1000000) <= current) {
                          va_start(adx, fmt);
                          (void) vstrlog(mid, sid, level, sl, fmt, adx);
                          va_end(adx);
                          ipss->ipsec_policy_failure_last = current;
                  }
--- 1071,1081 ----
           * msec. Convert interval (in msec) to hrtime (in nsec).
           */
  
          if (ipst->ips_ipsec_policy_log_interval) {
                  if (ipss->ipsec_policy_failure_last +
!                     MSEC2NSEC(ipst->ips_ipsec_policy_log_interval) <= current) {
                          va_start(adx, fmt);
                          (void) vstrlog(mid, sid, level, sl, fmt, adx);
                          va_end(adx);
                          ipss->ipsec_policy_failure_last = current;
                  }