[gtk/wip/cellrendererpixbuf-fallbacks] cellrendererpixbuf: Use fallback icons with icon-name

[Iain Lane <iainl src gnome org>]

commit fbe0e328137714de00cd1b7d47f77b539092ac9a
Author: Iain Lane <iainl gnome org>
Date:   Mon Apr 8 14:52:49 2019 +0100

    cellrendererpixbuf: Use fallback icons with icon-name
    
    This gives us a better chance of finding an icon to show.
    
    Closes: #1809

 gtk/gtkcellrendererpixbuf.c | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/gtk/gtkcellrendererpixbuf.c b/gtk/gtkcellrendererpixbuf.c
index d9349a5488..25b7ad4c21 100644
--- a/gtk/gtkcellrendererpixbuf.c
+++ b/gtk/gtkcellrendererpixbuf.c
@@ -391,6 +391,7 @@ create_icon_helper (
 
   icon_helper = gtk_icon_helper_new (gtk_style_context_get_node (gtk_widget_get_style_context (widget)),
                                      widget);
+  _gtk_icon_helper_set_use_fallback (icon_helper, TRUE);
   _gtk_icon_helper_set_force_scale_pixbuf (icon_helper, TRUE);
   _gtk_icon_helper_set_definition (icon_helper, priv->image_def);