[glib/glib-2-66: 2/2] Merge branch 'backport-1706-nullable-annotations-glib-2-66' into 'glib-2-66'

[Sebastian Dröge <sdroege src gnome org>]

commit a31562479312901e8cbfa9395019dbcc2213d4ed
Merge: 0643a7510 110e507c3
Author: Sebastian Dröge <slomo coaxion net>
Date:   Mon Oct 19 13:08:32 2020 +0000

    Merge branch 'backport-1706-nullable-annotations-glib-2-66' into 'glib-2-66'
    
    Backport !1706 “Add various missing nullable annotations” to glib-2-66
    
    See merge request GNOME/glib!1710

 glib/gkeyfile.c    |  2 +-
 glib/gmain.c       |  6 +++---
 gobject/gbinding.c | 14 ++++++++++++--
 3 files changed, 16 insertions(+), 6 deletions(-)
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