fixed out of bounds reads

Thanks to Eric Sesterhenn from X41 D-SEC GmbH
for reporting and suggesting security fixes.
size_t coolkey_list_meter(const void *el) {
	return sizeof(sc_cardctl_coolkey_object_t);
}

size_t coolkey_list_meter(const void *el) {
	return sizeof(sc_cardctl_coolkey_object_t);
}
