[gnome-music/wip/mschraal/disclistbox-cleanup: 3/4] disclistboxwidget: Restore select_{all, none}

[Marinus Schraal <mschraal src gnome org>]

commit 97834f9b9c77fa9aa67839d1a4f7e900067c0d61
Author: Marinus Schraal <mschraal gnome org>
Date:   Thu Jul 18 23:56:25 2019 +0200

    disclistboxwidget: Restore select_{all,none}

 gnomemusic/widgets/disclistboxwidget.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gnomemusic/widgets/disclistboxwidget.py b/gnomemusic/widgets/disclistboxwidget.py
index b0834340..4c6ff313 100644
--- a/gnomemusic/widgets/disclistboxwidget.py
+++ b/gnomemusic/widgets/disclistboxwidget.py
@@ -86,7 +86,7 @@ class DiscBox(Gtk.Box):
         """Select all songs"""
         def child_select_all(child):
             song_widget = child.get_child()
-            song_widget.props.selected = True
+            song_widget.props.coresong.props.selected = True
 
         self._list_box.foreach(child_select_all)
 
@@ -94,7 +94,7 @@ class DiscBox(Gtk.Box):
         """Deselect all songs"""
         def child_select_none(child):
             song_widget = child.get_child()
-            song_widget.props.selected = False
+            song_widget.props.coresong.props.selected = False
 
         self._list_box.foreach(child_select_none)