util/wrap.pl.in: If the subprocess died with a signal, let's re-signal it

util/wrap.pl.in: If the subprocess died with a signal, let's re-signal it

A simple 'kill' of the same signal on our own process should do it.
This will allow the shell that this is running under to catch it
properly, and output something if it usually does that.

Fixes #19041

Reviewed-by: Dmitry Belyavskiy <beldmit@gmail.com>
Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/19042)