[Slackbuilds-users] Update tarsnap to version 1.0.37 and new maintainer.

[David Spencer]

> Having discussed the updated version of tarsnap with it's prior maintainer,
> he has decided to pass the flame to me.
>
> I'm uncertain of the proper procedure, but below is the diff of the old and
> new files.

Done in my branch.
(btw. the diff's whitespace got mangled in the email body, an attached
tar.gz like the submission form is safer)

Thanks!
-D.