Use unused extension ID as tentative ID for CID extension
/* The value of the CID extension is still TBD as of
* https://tools.ietf.org/html/draft-ietf-tls-dtls-connection-id-04. */
-#define MBEDTLS_TLS_EXT_CID 42 /* TBD */
+#define MBEDTLS_TLS_EXT_CID 254 /* TBD */
#define MBEDTLS_TLS_EXT_ECJPAKE_KKPP 256 /* experimental */
