[PATCH v5 2/2] io: Use gnulib fts implementation (BZ 22944, BZ 20331)

[Florian Weimer]

* Adhemerval Zanella:

> This patch synchronizes the glibc fts implementation with the latest
> version from gnulib (as of 2026-02-16).

We have received reports that after upgrading glibc, dracut is broken.

  Bug 2457183 - 2.43.9000-8 causes a blank screen on boot on snapdragon
  X / aarch64
  <https://bugzilla.redhat.com/show_bug.cgi?id=2457183>

It uses fts:

  <https://github.com/dracutdevs/dracut/blob/master/src/install/dracut-install.c>
I have not had time to investigate this in more detail, sorry.

Thanks,
Florian