[PATCH] notmuch-tag: initialize with enum instead of 0.

[David Bremner]

david at tethera.net writes:

> From: David Bremner <bremner at debian.org>
>
> This is just a cosmetic fix to make the "type" of ret more clear.

Pushed. I even caught the '.' and the end of the commit subject.
No idea why that is so hard for me.

d