[PATCH] manual: Fix Texinfo warnings about improper node names.

[Zack Weinberg]

On Wed, Feb 7, 2018 at 1:50 AM, Rical Jasan <ricaljasan@pacific.net> wrote:
> A number of cross-references to the GCC info manual cause Texinfo
> warnings; e.g.:
>
>   ./creature.texi:11: warning: @xref node name should not contain `.'
>
> This is due to "gcc.info" being used in the INFO-FILE-NAME (fourth)
> argument.  Changing it to "gcc" removes these warnings.  (Manually
> confirmed equivalent behaviour for make info, html, and pdf.)
>
>         * manual/creature.texi: Convert references to gcc.info to gcc.
>         * manual/stdio.texi: Likewise.
>         * manual/string.texi: Likewise.

This is OK, please commit.

zw