Add utils.h ChangeLog entry
diff --git a/ChangeLog b/ChangeLog
index 9ee82c6..7e915e7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -286,6 +286,11 @@
from hex strings. Superseded by mbedtls_ssl_conf_dh_param_bin()
accepting DHM parameters in binary form, matching the new constants.
+API Changes
+ * Create a new header utils.h that contains functionality shared by multiple
+ mbed TLS modules. At this stage utils.h (and its associated utils.c) only
+ contain mbedtls_zeroize().
+
Bugfix
* Fix ssl_parse_record_header() to silently discard invalid DTLS records
as recommended in RFC 6347 Section 4.1.2.7.