update ChangeLog

ChangeLog

@@ -58,6 +58,8 @@ LibreSSL Portable Release Notes:
 	    all WTLS curves and P-192.
 	  - It is no longer necessary to set RSA_FLAG_SIGN_VER to use the
 	    sign and verify handlers set with RSA_meth_set_{sign,verify}.
+	  - Removed the -C option to generate "C code" from the openssl(1)
+	    dh, dhparam, dsaparam, ecparam, and x509 subcommands.
 	* New features
 	  - libtls has a new tls_peer_cert_common_name() API call to retrieve
 	    the peer's common name without having to inspect the PEM.