Re: pgsql: Update guidance for running vacuumdb after pg_upgrade.

Re: Nathan Bossart
>      pg_log(PG_REPORT,
> +           "Some statistics are not transferred by pg_upgrade.\n"
>             "Once you start the new server, consider running:\n"
> +           "    %s/vacuumdb %s--all --analyze-in-stages --missing-stats-only\n"
> +           "    %s/vacuumdb %s--all --analyze-only",

I would make it "Once you start the new server, run these two commands:"
to make it explicit that both should be run, not alternatively either.

This patch addresses my concern, thanks.

Christoph