Add entry to ChangeLog for PR
PR fixes issue 'check matching issuer crt and key for all algs' and
needs a ChangeLog entry
@@ -8,6 +8,10 @@ Features
* Implement the HMAC-based extract-and-expand key derivation function
(HKDF) per RFC 5869. Contributed by Thomas Fossati.
+Bugfix
+ * Fix the cert_write example to handle certificates signed with elliptic
+ curves as well as RSA. Fixes #777 found by dbedev.
+
= mbed TLS 2.10.0 branch released 2018-06-06
Features
