[PATCH] shell: fix $(()) precedence bug in "X=A?B:C" (it is _not_ "(X=A)?..)"

[Steffen Nurpmeso]

alice wrote in
 <CMOKE6KS9FLX.1LRGOAOTKEVLJ at sumire>:
 |On Mon Sep 5, 2022 at 4:58 PM CEST, Steffen Nurpmeso wrote:
 |> Steffen Nurpmeso wrote in
 |>  <20220905143118.ySd0g%steffen at sdaoden.eu>:
 ...
 |what does any of this have to do with busybox?

Nothing.  Sorry.

--steffen
|
|Der Kragenbaer,                The moon bear,
|der holt sich munter           he cheerfully and one by one
|einen nach dem anderen runter  wa.ks himself off
|(By Robert Gernhardt)