pinctrl: Fix up comments about sending RST packets for healthcheck.

We're sending TCP RST not RST-ACK as the comment suggests.

Reported-at: https://mail.openvswitch.org/pipermail/ovs-dev/2023-November/409288.html
Reported-by: Mark Michelson <mmichels@redhat.com>
Fixes: a35725a ("pinctrl: send RST instead of RST_ACK bit for lb hc")
Signed-off-by: Dumitru Ceara <dceara@redhat.com>
Acked-by: Ales Musil <amusil@redhat.com>

controller/pinctrl.c

@@ -7897,7 +7897,7 @@ pinctrl_handle_tcp_svc_check(struct rconn *swconn,
         svc_mon->n_success++;
         svc_mon->state = SVC_MON_S_ONLINE;
 
-        /* Send RST-ACK packet. */
+        /* Send RST packet. */
         svc_monitor_send_tcp_health_check__(swconn, svc_mon, TCP_RST,
                                             htonl(tcp_ack),
                                             htonl(0), th->tcp_dst);