Subject: [bug#37409] [PATCH] gnu: guile-email: Add phase to patch the module directory.

From: Arun Isaac <[email-masked]>
Date: Mon, 16 Sep 2019 14:07:39 +0530

> Otherwise the .go files appear within share, and Guile doesn't find them. With
> this patch they appear in lib within the output. One thing this means is that
> stack traces include the filenames.

LGTM! I'll also make this modification to guile-email upstream so this
phase won't be necessary after the next update of guile-email.