Fix the issue that gnutls server doesn't support packet

Signed-off-by: Xiaokang Qian <xiaokang.qian@arm.com>
diff --git a/library/ssl_tls13_client.c b/library/ssl_tls13_client.c
index 4c07a64..3219425 100644
--- a/library/ssl_tls13_client.c
+++ b/library/ssl_tls13_client.c
@@ -2153,12 +2153,14 @@
 static int ssl_tls13_finalize_write_end_of_early_data(
     mbedtls_ssl_context *ssl)
 {
-#if defined(MBEDTLS_SSL_TLS1_3_COMPATIBILITY_MODE)
+#if defined(MBEDTLS_SSL_EARLY_DATA) || \
+    !defined(MBEDTLS_SSL_TLS1_3_COMPATIBILITY_MODE)
+    mbedtls_ssl_handshake_set_state(ssl, MBEDTLS_SSL_CLIENT_CERTIFICATE);
+#else
     mbedtls_ssl_handshake_set_state(
         ssl, MBEDTLS_SSL_CLIENT_CCS_AFTER_SERVER_FINISHED);
-#else
-    mbedtls_ssl_handshake_set_state(ssl, MBEDTLS_SSL_CLIENT_CERTIFICATE);
-#endif /* MBEDTLS_SSL_TLS1_3_COMPATIBILITY_MODE */
+#endif /* MBEDTLS_SSL_EARLY_DATA ||
+          !MBEDTLS_SSL_TLS1_3_COMPATIBILITY_MODE */
 
     return 0;
 }