fix base64.c "overrun"

[Ed Maste]

On 24 November 2014 at 12:13, Oliver Pinter
<oliver.pinter at hardenedbsd.org> wrote:
>
> Hi Ed!
>
> Check this: https://github.com/HardenedBSD/hardenedBSD/issues/68
> https://github.com/HardenedBSD/hardenedBSD/commit/d6e5388b831b190a0ff39898d354ab68b9b6a965

Thanks.

I had it up already in Phabricator here though:
https://reviews.freebsd.org/D1218

-Ed