bug#56369: 29.0.50; abort-redisplay: Crash after 'recenter'

[Eli Zaretskii]

> From: Florian Rommel <mail@florommel.de>
> Date: Sun, 03 Jul 2022 17:55:50 +0200
> 
> I get a crash caused by a failed free() [see attached backtrace] when
> running vterm [1] which calls 'recenter' from a loaded module.
> With gdb, in 'safe_free' I see that the address of the to-be-freed
> arguments array (allocated in 'module_funcall') is off by one word.
> 
> I don't know the details of the specpdl stack but I assume that there
> is a missing 'ubind_to' in 'recenter' before an early return.  When I
> add it (see the attached patch) the problem is gone.

Thanks, installed.