[PATCH 1/2] gdb/python doc: Add register_unwinder to code example

[Eli Zaretskii]

> Date: Tue, 21 Jun 2022 13:17:32 +0200
> Cc: gdb-patches@sourceware.org
> From: Paulo Neves <ptsneves@gmail.com>
> 
> Hello all,
> 
> Any idea when this can be merged or if there anything missing?

Like I said before: this needs to be approved by someone who knows
about Python unwinder programming.  If the text is correct, the
Texinfo use was already approved by me.