put back the assigment to sched_time. It was correct, and

it was necessary.

Submitted by:	Riccardo Panicucci

sys/netinet/ipfw/ip_dn_io.c

@@ -760,6 +760,7 @@ dummynet_io(struct mbuf **m0, int dir, struct ip_fw_args *fwa)
 	    /* Do this only on the first packet on an idle pipe */
 	    struct dn_link *p = &fs->sched->link;
 
+	    si->sched_time = dn_cfg.curr_time;
 	    si->credit = dn_cfg.io_fast ? p->bandwidth : 0;
 	    if (p->burst) {
 		uint64_t burst = (dn_cfg.curr_time - si->idle_time) * p->bandwidth;