add a whitelist of paths from which ssh-agent will load (via
ssh-pkcs11-helper) a PKCS#11 module; ok markus@
cleanup_handler(int sig)
{
	cleanup_socket();
#ifdef ENABLE_PKCS11
	pkcs11_terminate();
#endif
	_exit(2);
}

cleanup_handler(int sig)
{
	cleanup_socket();
#ifdef ENABLE_PKCS11
	pkcs11_terminate();
#endif
	_exit(2);
}
