Undo rename of tlsext_tick_lifetime_hint.

It was renamed to ticket_liftetime_hint in
1e6f11a7ff72bea394e6651b512e435fbc95d323, which breaks Qt.

Change-Id: I9c6d3097fe96e669f06a4e0880bd4d7d82b03ba8
Reviewed-on: https://boringssl-review.googlesource.com/10181
Reviewed-by: Adam Langley <agl@google.com>
Commit-Queue: Adam Langley <agl@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
diff --git a/ssl/tls13_client.c b/ssl/tls13_client.c
index 9dc49232..61e1414 100644
--- a/ssl/tls13_client.c
+++ b/ssl/tls13_client.c
@@ -576,7 +576,7 @@
 
   CBS cbs, extensions, ticket;
   CBS_init(&cbs, ssl->init_msg, ssl->init_num);
-  if (!CBS_get_u32(&cbs, &session->ticket_lifetime_hint) ||
+  if (!CBS_get_u32(&cbs, &session->tlsext_tick_lifetime_hint) ||
       !CBS_get_u32(&cbs, &session->ticket_flags) ||
       !CBS_get_u32(&cbs, &session->ticket_age_add) ||
       !CBS_get_u16_length_prefixed(&cbs, &extensions) ||