[gnome-clocks] alarm-day-picker-row: Don't call Gtk.FlowBoxChild.add()

[Bilal Elmoussaoui <bilelmoussaoui src gnome org>]

commit 4e31665e6ef068c8748673b1f95c5b199fd4d720
Author: Yetizone <andreii lisita gmail com>
Date:   Fri Jan 15 00:28:56 2021 +0200

    alarm-day-picker-row: Don't call Gtk.FlowBoxChild.add()
    
    It has been replaced by Gtk.FlowBoxChild.set_child()

 src/alarm-day-picker-row.vala | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/alarm-day-picker-row.vala b/src/alarm-day-picker-row.vala
index 6b3a13b2..96276414 100644
--- a/src/alarm-day-picker-row.vala
+++ b/src/alarm-day-picker-row.vala
@@ -138,7 +138,7 @@ public class DayPickerRow : Adw.ActionRow {
 
             var wrap = new Gtk.FlowBoxChild ();
             wrap.can_focus = false;
-            wrap.add (buttons[day_number]);
+            wrap.set_child (buttons[day_number]);
             wrap.show ();
 
             flow.add (wrap);