mod_ssl: follow up to r1876934: use OPENSSL_cleanse().
memset() might be optimized away by the compiler since buf[] (on the stack)
is not used anymore.
@@ -1626,7 +1626,7 @@ static apr_status_t ssl_init_ticket_key(server_rec *s,
res = SSL_CTX_set_tlsext_ticket_key_evp_cb(mctx->ssl_ctx,
ssl_callback_SessionTicket);
#endif
- memset(buf, 0, sizeof(buf));
+ OPENSSL_cleanse(buf, sizeof(buf));
if (!res) {
ap_log_error(APLOG_MARK, APLOG_EMERG, 0, s, APLOGNO(01913)
"Unable to initialize TLS session ticket key callback "
