add a whitelist of paths from which ssh-agent will load (via
ssh-pkcs11-helper) a PKCS#11 module; ok markus@
close_socket(SocketEntry *e)
{
	close(e->fd);
	e->fd = -1;
	e->type = AUTH_UNUSED;
	sshbuf_free(e->input);
	sshbuf_free(e->output);
	sshbuf_free(e->request);
}

close_socket(SocketEntry *e)
{
	close(e->fd);
	e->fd = -1;
	e->type = AUTH_UNUSED;
	sshbuf_free(e->input);
	sshbuf_free(e->output);
	sshbuf_free(e->request);
}
