[PATCH] emacs: fix notmuch-show-indent-messages-width customization variable name

[David Bremner]

On Mon,  2 Jan 2012 14:23:02 -0800, Jameson Graef Rollins <jrollins at finestructure.net> wrote:
> The name was originally notmuch-indent-messages-width, which is
> inconsistent with our variable naming convention.
> ---
> Sorry, I forgot to fix the tests in the original patch.

Finally pushed both, with a couple of typo fixes.