free memory for config structure explicitly

yasnd.c

@@ -132,6 +132,8 @@ void termination_handler(int signum)
 {
 	log_event("SIGTERM captured, daemon stopping");
 	closelog();
+	// free config structure
+	cfg_free(cfg);
 	// free hosts structures memory
 	if (hosts!=NULL)
 		free(hosts);