[libglnx: 4/4] Merge branch 'older-glibs' into 'master'

[Simon McVittie <smcv src gnome org>]

commit 5f3d352aa40dbd7fc8f716694c9f4b0494dda6fd
Merge: 9d0711f 3063c69
Author: Simon McVittie <simon mcvittie collabora co uk>
Date:   Mon Nov 11 18:36:08 2019 +0000

    Merge branch 'older-glibs' into 'master'
    
    Build successfully on GLib 2.32
    
    See merge request GNOME/libglnx!7

 glnx-backport-autocleanups.h |  8 ++++++++
 glnx-backports.h             | 32 ++++++++++++++++++++++++++++++++
 glnx-fdio.c                  |  1 +
 tests/test-libglnx-xattrs.c  |  4 ++++
 4 files changed, 45 insertions(+)
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