[gnote] Use ButtonBox instead of VButtonBox

[Aurimas Černius <aurimasc src gnome org>]

commit 0901fc40fc2b252aade883071c7387d86d1fb823
Author: Aurimas Černius <aurisc4 gmail com>
Date:   Sat May 15 12:55:39 2021 +0300

    Use ButtonBox instead of VButtonBox

 src/preferencesdialog.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/preferencesdialog.cpp b/src/preferencesdialog.cpp
index cbb84122..7f5596dd 100644
--- a/src/preferencesdialog.cpp
+++ b/src/preferencesdialog.cpp
@@ -608,7 +608,7 @@ namespace gnote {
     hbox->attach(*sw, hbox_col++, 0, 1, 1);
 
     // Action Buttons (right of TreeView)
-    Gtk::VButtonBox *button_box = manage(new Gtk::VButtonBox ());
+    Gtk::ButtonBox *button_box = manage(new Gtk::ButtonBox(Gtk::ORIENTATION_VERTICAL));
     button_box->set_spacing(4);
     button_box->set_layout(Gtk::BUTTONBOX_START);