[pan: 17/21] Compile fix: gtk_handle_box_new() to gtk_box_new()

[Dominique Dumont <ddumont src gnome org>]

commit a04993bd244353acaf2cc9c82e8aead2505314c9
Author: FoxMcCloud45 <foxmccloud45 hotmail com>
Date:   Fri Jul 9 20:24:33 2021 +0200

    Compile fix: gtk_handle_box_new() to gtk_box_new()

 pan/gui/post-ui.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/pan/gui/post-ui.cc b/pan/gui/post-ui.cc
index 14b436f..083a3c7 100644
--- a/pan/gui/post-ui.cc
+++ b/pan/gui/post-ui.cc
@@ -532,7 +532,7 @@ namespace
   void add_widget (GtkUIManager*, GtkWidget* widget, gpointer vbox)
   {
     if (GTK_IS_TOOLBAR (widget)) {
-      GtkWidget * handle_box = gtk_handle_box_new (GTK_ORIENTATION_HORIZONTAL, PAD_SMALL);
+      GtkWidget * handle_box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, PAD_SMALL);
       gtk_widget_show (handle_box);
       gtk_container_add (GTK_CONTAINER (handle_box), widget);
       g_signal_connect_swapped (widget, "destroy", G_CALLBACK (gtk_widget_destroy), handle_box);