Fix crash when calling `mbedtls_ssl_cache_free` twice
Set `cache` to zero at the end of `mbedtls_ssl_cache_free` #1104
diff --git a/ChangeLog b/ChangeLog
index c4e3998..44c2f78 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -12,6 +12,8 @@
* Parse signature algorithm extension when renegotiating. Previously,
renegotiated handshakes would only accept signatures using SHA-1
regardless of the peer's preferences, or fail if SHA-1 was disabled.
+ * Fix crash when calling mbedtls_ssl_cache_free() twice. Found by
+ MilenkoMitrovic, #1104
= mbed TLS 2.6.0 branch released 2017-08-10
