quic: replace quicly patch with upstreamed fix
Replace the solution to the quicly time skew assert
with h2o/quicly PR#222 which was merged upstream
after verification that it resolved the vpp issue.
Type: refactor
diff --git a/lib/quicly.c b/lib/quicly.c
-index 95d5f13..200515f 100644
+index 95d5f13..3f4fd18 100644
--- a/lib/quicly.c
+++ b/lib/quicly.c
-@@ -3551,6 +3551,10 @@ static int handle_ack_frame(quicly_conn_t *conn, struct st_quicly_handle_payload
+@@ -351,7 +351,10 @@ static __thread int64_t now;
- QUICLY_PROBE(QUICTRACE_RECV_ACK_DELAY, conn, probe_now(), frame.ack_delay);
-
-+ /* Detect and fix time skew */
-+ if (now < largest_newly_acked.sent_at)
-+ now = largest_newly_acked.sent_at;
+ static void update_now(quicly_context_t *ctx)
+ {
+- now = ctx->now->cb(ctx->now);
++ int64_t newval = ctx->now->cb(ctx->now);
+
- /* Update loss detection engine on ack. The function uses ack_delay only when the largest_newly_acked is also the largest acked
- * so far. So, it does not matter if the ack_delay being passed in does not apply to the largest_newly_acked. */
- quicly_loss_on_ack_received(&conn->egress.loss, largest_newly_acked.packet_number, now, largest_newly_acked.sent_at,
++ if (now < newval)
++ now = newval;
+ }
+
+ /**
