bug#34010: "guix pull -h" does not show --system option

[Ludovic Courtès]

Hi Alex,

Alex Kost <alez...@gmail.com> skribis:

> Hello, I have noticed that commit
> 5923102f7b58f0a0120926ec5b81ed48b26a188e did not add a notice of
> "--system" option to 'show-help' procedure, so "guix pull -h" does not
> show this option.

Thanks, fixed!

Ludo’.