tls13: early_data: fix wrong debug_ret message

Signed-off-by: Yanray Wang <yanray.wang@arm.com>
diff --git a/library/ssl_tls13_client.c b/library/ssl_tls13_client.c
index c9680c2..068676c 100644
--- a/library/ssl_tls13_client.c
+++ b/library/ssl_tls13_client.c
@@ -2715,7 +2715,7 @@
                     ssl, p, p + extension_data_len);
                 if (ret != 0) {
                     MBEDTLS_SSL_DEBUG_RET(
-                        1, "ssl_tls13_parse_max_early_data_size_ext", ret);
+                        1, "ssl_tls13_parse_nst_early_data_ext", ret);
                 }
                 break;
 #endif /* MBEDTLS_SSL_EARLY_DATA */