[gtk: 6/6] Merge branch 'matthiasc/for-master' into 'master'

[Matthias Clasen <matthiasc src gnome org>]

commit 572386e4cecbb867e35d984d4f7f225a613f6eed
Merge: 67a972182e 9d15e64f0b
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Jun 2 00:07:45 2020 +0000

    Merge branch 'matthiasc/for-master' into 'master'
    
    print backend: Fix list model handling in dispose
    
    See merge request GNOME/gtk!2013

 demos/gtk-demo/listview_settings.c |  2 ++
 gtk/gtkcolumnviewcolumn.c          |  4 ++-
 gtk/gtkprintbackend.c              | 16 +++++++--
 gtk/gtkwidget.c                    |  5 +++
 testsuite/gtk/action.c             | 66 ++++++++++++++++++++++++++++++++++++++
 5 files changed, 90 insertions(+), 3 deletions(-)
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