[gnome-music/wip/jfelder/gtk4-v3: 70/145] ui/playlistdialog: Use GtkBox instead of removed GtkButtonBox

[Jean Felder <jfelder src gnome org>]

commit 72696fcb789a8d3280c8a1fcbf36658695fe8a9e
Author: Jean Felder <jfelder src gnome org>
Date:   Mon Jan 10 15:14:57 2022 +0100

    ui/playlistdialog: Use GtkBox instead of removed GtkButtonBox

 data/ui/PlaylistDialog.ui | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/data/ui/PlaylistDialog.ui b/data/ui/PlaylistDialog.ui
index 34a4451d7..b70e99361 100644
--- a/data/ui/PlaylistDialog.ui
+++ b/data/ui/PlaylistDialog.ui
@@ -99,7 +99,7 @@
                   </object>
                 </child>
                 <child>
-                  <object class="GtkButtonBox">
+                  <object class="GtkBox">
                     <property name="focusable">False</property>
                   </object>
                 </child>
@@ -185,7 +185,7 @@
                   </object>
                 </child>
                 <child>
-                  <object class="GtkButtonBox">
+                  <object class="GtkBox">
                     <property name="focusable">False</property>
                   </object>
                 </child>
@@ -196,7 +196,7 @@
       </object>
     </child>
     <child internal-child="action_area">
-      <object class="GtkButtonBox">
+      <object class="GtkBox">
         <property name="focusable">False</property>
       </object>
     </child>