[gtk] widget-factory: Add icon-dropshadow class to large icon

[Timm Bäder <baedert src gnome org>]

commit 8e9ac826a1365f2d954cb00d3630474347d03db7
Author: Timm Bäder <tbaeder redhat com>
Date:   Fri May 17 08:19:42 2019 +0200

    widget-factory: Add icon-dropshadow class to large icon
    
    Looks stupid without the shadow.

 demos/widget-factory/widget-factory.ui | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/demos/widget-factory/widget-factory.ui b/demos/widget-factory/widget-factory.ui
index d974ba6f21..cb152b38a8 100644
--- a/demos/widget-factory/widget-factory.ui
+++ b/demos/widget-factory/widget-factory.ui
@@ -1577,6 +1577,9 @@ microphone-sensitivity-medium-symbolic</property>
                                               <object class="GtkImage" id="imageo">
                                                 <property name="icon-name">org.gtk.WidgetFactory4</property>
                                                 <property name="pixel-size">256</property>
+                                                <style>
+                                                  <class name="icon-dropshadow" />
+                                                </style>
                                               </object>
                                             </property>
                                           </object>