[PATCH] emacs/notmuch.el: don't use 'function' as variable name.

[David Bremner]

David Bremner <david at tethera.net> writes:

> In principle this should work, but at least in some pre-release
> versions of emacs26, this causes problems inside lexical let [1].
>
> [1]: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=26406

pushed to master (some time ago). In the meantime, also fixed upstream
for the next major release of emacs.

d