ports/87123: Update port: lang/sbcl 0.9.5

[Paul Ledbetter III]

This patch was derived directly from ports/86656.


> Excuse me, what about ports/86656 assigned to garga? This PR is one
> of *seven* that were submitted by the *same person* who had been trying
> to get the previous maintainer to update this port for this *entire year*.
> I finally only recently got permission to reset the maintainer and assign
> to the person currently listed, and 86656 was forwarded to them for
> approval
> (which has currently not been granted -- it is most likely going to time
> out; if so, I have asked garga if he will ask this incredibly patient and
> persistent person if he wants to maintain it himself.)
>
> That was the outcome I would very much have preferred.
>
> mcl
>