[gtk/matthiasc/for-master] widget-factory: Add a menu section title

[Matthias Clasen <matthiasc src gnome org>]

commit 416d82c81e92ea21c5fb98d18e82350299ca5b0a
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Apr 17 13:29:56 2020 -0400

    widget-factory: Add a menu section title
    
    If you can't see it, you can't theme it.

 demos/widget-factory/widget-factory.ui | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/demos/widget-factory/widget-factory.ui b/demos/widget-factory/widget-factory.ui
index a8f6923343..9060c816ce 100644
--- a/demos/widget-factory/widget-factory.ui
+++ b/demos/widget-factory/widget-factory.ui
@@ -3597,6 +3597,7 @@ bad things might happen.</property>
       </submenu>
     </section>
     <section>
+      <attribute name="label" translatable="yes">Size</attribute>
       <item>
         <attribute name="label" translatable="yes">Large</attribute>
         <attribute name="action">app.size</attribute>