window: Return no item for no item name

diff --git a/gtk/gtkwindow.c b/gtk/gtkwindow.c
index ae36f5f0921c739e0eefb057a2ce5dcbc217571f..600e96e515a330d4057f1eae0a03b421bfd9eddc 100644 (file)
--- a/gtk/gtkwindow.c
+++ b/gtk/gtkwindow.c
@@ -4620,6 +4620,8 @@ gtk_window_get_icon_for_size (GtkWindow *window,
 
   if (!name)
     name = default_icon_name;
+  if (!name)
+    return NULL;
 
   info = gtk_icon_theme_lookup_icon (gtk_icon_theme_get_default (),
                                      name, size,