tool_cfgable: free {proxy_}cipher13_list on exit

Author: Jan Venekamp
Reviewed-by: Daniel Gustafsson <daniel@yesql.se>
Closes: curl#13531

Author: jan2000

src/tool_cfgable.c

@@ -114,6 +114,8 @@ static void free_config_fields(struct OperationConfig *config)
   Curl_safefree(config->doh_url);
   Curl_safefree(config->cipher_list);
   Curl_safefree(config->proxy_cipher_list);
+  Curl_safefree(config->cipher13_list);
+  Curl_safefree(config->proxy_cipher13_list);
   Curl_safefree(config->cert);
   Curl_safefree(config->proxy_cert);
   Curl_safefree(config->cert_type);