[gtk/gtk-3-24: 6/6] Merge branch '3-24-warn-fixes' into 'gtk-3-24'

[Emmanuele Bassi <ebassi src gnome org>]

commit 5b360f2198f685dd55871419754d9551ee0fef36
Merge: df77965153 43980583e3
Author: Emmanuele Bassi <ebassi gmail com>
Date:   Tue Feb 5 14:47:26 2019 +0000

    Merge branch '3-24-warn-fixes' into 'gtk-3-24'
    
    Fix various compiler warnings
    
    See merge request GNOME/gtk!561

 gtk/gtkcontainer.c                               | 1 +
 gtk/gtkmenu.c                                    | 2 +-
 gtk/gtkpopover.c                                 | 2 ++
 gtk/gtkscrolledwindow.c                          | 6 +++---
 modules/printbackends/cups/gtkprintbackendcups.c | 8 ++++++--
 5 files changed, 13 insertions(+), 6 deletions(-)
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