Update changelog for i/o lengths 
diff --git a/ChangeLog b/ChangeLog index 2e4950b..9144451 100644 --- a/ChangeLog +++ b/ChangeLog 
@@ -53,6 +53,12 @@  mbedtls_x509_ctr_verify_info()  mbedtls_x509_crt_verify() (flags, f_vrfy -> needs to be updated)  mbedtls_ssl_conf_verify() (f_vrfy -> needs to be updated) + * The following functions changed prototype to avoid an in-out length + parameter: + mbedtls_base64_encode() + mbedtls_base64_decode() + mbedtls_mpi_write_string() + mbedtls_dhm_calc_secret()  * net_accept() gained new arguments for the size of the client_ip buffer.  * In the threading layer, mbedtls_mutex_init() and mbedtls_mutex_free() now  return void.