[pass] Don't quote ${EDITOR:-vi}

[Jason A. Donenfeld]

Thanks, good catch. Applied upstream:
http://git.zx2c4.com/password-store/commit/?id=3a0c8bae77a15976f6b74ed92d57127f7d6cdca6

In the future, please submit patches using git-format-patch so that it
has the commit information too.

On Wed, Sep 12, 2012 at 3:20 AM, rupa <rupa at lrrr.us> wrote:
> Attached is a trivial patch that removes the quotes from the line that
> invokes $EDITOR. It's perfectly cromulent to set $EDITOR to something
> with spaces in it, so when we evaluate this one we want it evaluated
> bare. For example security nerds might want EDITOR='vim -n' if they
> are scared of swap files, and that breaks if we quote there.
>
> (Apologies because my original pull request to add 'edit' is where
> this came from)
>
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