tls13: Add definition of mbedtls_ssl_{write,read}_early_data

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
diff --git a/library/ssl_tls13_client.c b/library/ssl_tls13_client.c
index 9d2e69e..0109f77 100644
--- a/library/ssl_tls13_client.c
+++ b/library/ssl_tls13_client.c
@@ -1183,11 +1183,11 @@
             return( ret );
         p += ext_len;
 
-        /* Initializes the status to `indication sent`. It will be updated to
-         * `accepted` or `rejected` depending on whether the EncryptedExtension
-         * message will contain an early data indication extension or not.
+        /* Initializes the status to `rejected`. It will be updated to
+         * `accepted` if the EncryptedExtension message contain an early data
+         * indication extension.
          */
-        ssl->early_data_status = MBEDTLS_SSL_EARLY_DATA_STATUS_INDICATION_SENT;
+        ssl->early_data_status = MBEDTLS_SSL_EARLY_DATA_STATUS_REJECTED;
     }
     else
     {