doc: Update for glibc 2.34

[Bruno Haible]

After each glibc release, we should update the Gnulib documentation accordingly.
This patch does it for the glibc 2.34 release (two weeks ago).
https://sourceware.org/pipermail/libc-alpha/2021-August/129718.html


2021-08-14  Bruno Haible  <bruno@clisp.org>

        doc: Update for glibc 2.34.
        * doc/posix-functions/timespec_getres.texi: New file.
        * doc/glibc-functions/_Fork.texi: New file.
        * doc/glibc-functions/closefrom.texi: New file.
        * doc/glibc-functions/dn_comp.texi: New file.
        * doc/glibc-functions/dn_skipname.texi: New file.
        * doc/glibc-functions/execveat.texi: New file.
        * doc/glibc-functions/posix_spawn_file_actions_addclosefrom_np.texi: New
        file.
        * doc/glibc-functions/res_dnok.texi: New file.
        * doc/glibc-functions/res_hnok.texi: New file.
        * doc/glibc-functions/res_mailok.texi: New file.
        * doc/glibc-functions/res_nmkquery.texi: New file.
        * doc/glibc-functions/res_nquery.texi: New file.
        * doc/glibc-functions/res_nquerydomain.texi: New file.
        * doc/glibc-functions/res_nsearch.texi: New file.
        * doc/glibc-functions/res_nsend.texi: New file.
        * doc/glibc-functions/res_ownok.texi: New file.
        * doc/glibc-functions/res_send.texi: New file.
        * doc/gnulib.texi: Include them.
        * doc/glibc-functions/inet_neta.texi: Remove file.
        * doc/glibc-functions/malloc_get_state.texi: Remove file.
        * doc/glibc-functions/malloc_set_state.texi: Remove file.
        * doc/glibc-functions/pthread_mutex_consistent_np.texi: Remove file.
        * doc/glibc-functions/pthread_mutexattr_getrobust_np.texi: Remove file.
        * doc/glibc-functions/pthread_mutexattr_setrobust_np.texi: Remove file.
        * doc/glibc-functions/pthread_yield.texi: Remove file.
        * doc/gnulib.texi: Don't include them.
        * doc/glibc-headers/resolv.texi: Update.
        * doc/pastposix-functions/h_errno.texi: Likewise.
        * doc/posix-functions/*.texi: Likewise.
        * doc/glibc-functions/*.texi: Likewise.

https://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=commit;h=8f4538a53d64054ae2fc8b86c0f87c418c6176e6