Subject: guile assumes long is the same size as pointers

From: Mike Gran <[email-masked]>
Date: Wed, 25 Nov 2020 11:09:05 -0800

There appears to be a patch to fix this on guile 2.2 at
https://gitlab.com/janneke/guile/-/commit/f0fade08173b97e2b4a68b79b654ad3d30a59286