Fix compilation issue when DTLS and SSL_HW_RECORD_ACCEL are on

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
diff --git a/ChangeLog b/ChangeLog
index 7a27fde..6ec1e7ec 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,11 @@
 mbed TLS ChangeLog (Sorted per branch, date)
 
+= mbed TLS x.x.x branch released xxxx-xx-xx
+
+Bugfix
+   * Fix compilation failure when both MBEDTLS_SSL_PROTO_DTLS and
+     MBEDTLS_SSL_HW_RECORD_ACCEL are enabled.
+
 = mbed TLS 2.16.5 branch released 2020-02-20
 
 Security