bug#32019: 26.1; spacebar on splash screen fails to reach *scratch* buffer

[Eli Zaretskii <eliz@gnu.org>]

> From: Van L <van@scratch.space>
> Date: Sat, 30 Jun 2018 22:17:55 +1000
> 
> *info* (eintr) Buffer Names has the following:
> 
>      In the old days, when you lacked a ‘~/.emacs’ file and started an
>   Emacs session by typing the command ‘emacs’ alone, without naming any
>   files, Emacs started with the ‘*scratch*’ buffer visible.  Nowadays, you
>   will see a splash screen.  You can follow one of the commands suggested
>   on the splash screen, visit a file, or press the spacebar to reach the
>   ‘*scratch*’ buffer.
> 
> On Emacs 26.1 NS port and Emacs 27.0.50 GNU Linux, pressing the spacebar
> at the splash screen causes the echo area to show `End of buffer`. 
> 
> It fails to reach the *scratch* buffer as described in elispintro infopage,
> as quoted.

That description was incorrect since Emacs 22.2.  I fixed it.

Thanks.