Define ticket creation time in TLS 1.2 case as well

The purpose of this change is to eventually base
the calculation in ssl_ticket.c of the ticket age
when parsing a ticket on the ticket creation time
both in TLS 1.2 and TLS 1.3 case.

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
diff --git a/programs/ssl/ssl_server2.c b/programs/ssl/ssl_server2.c
index 598d38c..1216ba1 100644
--- a/programs/ssl/ssl_server2.c
+++ b/programs/ssl/ssl_server2.c
@@ -1420,7 +1420,6 @@
             return MBEDTLS_ERR_SSL_INVALID_MAC;
         case 2:
             return MBEDTLS_ERR_SSL_SESSION_TICKET_EXPIRED;
-#if defined(MBEDTLS_SSL_PROTO_TLS1_3)
         case 3:
             /* Creation time in the future. */
             session->ticket_creation_time = mbedtls_ms_time() + 1000;
@@ -1430,6 +1429,7 @@
             session->ticket_creation_time = mbedtls_ms_time() -
                                             (7 * 24 * 3600 * 1000 + 1000);
             break;
+#if defined(MBEDTLS_SSL_PROTO_TLS1_3)
         case 5:
             /* Ticket is valid, but client age is below the lower bound of the tolerance window. */
             session->ticket_age_add += MBEDTLS_SSL_TLS1_3_TICKET_AGE_TOLERANCE + 4 * 1000;