bug#31137: 27.0.50; `Info-find-node-2': Pass STRICT-CASE in last 2 `Info-find-node' calls?

[Eli Zaretskii]

> Date: Thu, 12 Apr 2018 11:14:37 -0700 (PDT)
> From: Drew Adams <drew.adams@oracle.com>
> 
> ;; If we did not finish finding the specified node,
> ;; go back to the previous one or to the Top node.
> (unless (or Info-current-node no-going-back)
>   (if Info-history
>      (let ((hist (car Info-history)))
>         (setq Info-history (cdr Info-history))
>         (Info-find-node (nth 0 hist) (nth 1 hist) t)
>         (goto-char (nth 2 hist)))
>     (Info-find-node Info-current-file "Top" t)))))
> 
> Shouldn't those calls to `Info-find-node' pass along the
> received value of arg STRICT-CASE?

I don't think it matters, because in both calls the node names are
exact.  We actually might as well force the 4th arg to Info-find-node
be t.