backport htons(ntransmitted++) fix

networking/ping.c

@@ -217,9 +217,10 @@ static void sendping(int junk)
 	pkt->icmp_type = ICMP_ECHO;
 	pkt->icmp_code = 0;
 	pkt->icmp_cksum = 0;
-	pkt->icmp_seq = htons(ntransmitted++);
+	pkt->icmp_seq = htons(ntransmitted);
 	pkt->icmp_id = myid;
 	CLR(ntohs(pkt->icmp_seq) % MAX_DUP_CHK);
+	ntransmitted++;
 
 	gettimeofday((struct timeval *) &pkt->icmp_dun, NULL);
 	pkt->icmp_cksum = in_cksum((unsigned short *) pkt, sizeof(packet));

networking/ping6.c

@@ -205,9 +205,10 @@ static void sendping(int junk)
 	pkt->icmp6_type = ICMP6_ECHO_REQUEST;
 	pkt->icmp6_code = 0;
 	pkt->icmp6_cksum = 0;
-	pkt->icmp6_seq = htons(ntransmitted++);
+	pkt->icmp6_seq = htons(ntransmitted);
 	pkt->icmp6_id = myid;
 	CLR(pkt->icmp6_seq % MAX_DUP_CHK);
+	ntransmitted++;
 
 	gettimeofday((struct timeval *) &pkt->icmp6_data8[4], NULL);