set init value for max_early_data_size in session

Signed-off-by: Jerry Yu <jerry.h.yu@arm.com>
diff --git a/library/ssl_tls13_server.c b/library/ssl_tls13_server.c
index df10cc6..c04b8bd 100644
--- a/library/ssl_tls13_server.c
+++ b/library/ssl_tls13_server.c
@@ -564,6 +564,9 @@
 #if defined(MBEDTLS_SSL_SESSION_TICKETS)
         mbedtls_ssl_session session;
         mbedtls_ssl_session_init(&session);
+#if defined(MBEDTLS_SSL_EARLY_DATA)
+        session.max_early_data_size = ssl->conf->max_early_data_size;
+#endif
 #endif
 
         MBEDTLS_SSL_CHK_BUF_READ_PTR(p_identity_len, identities_end, 2 + 1 + 4);