[gtk/testsuite-asserts: 4/13] gtk-demo: Avoid compiler warnings without assertions

[Matthias Clasen <matthiasc src gnome org>]

commit 5e7b5fe085d69cc6c9cdc3f242c3c2cb84c57738
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Apr 12 17:12:01 2021 -0400

    gtk-demo: Avoid compiler warnings without assertions
    
    Avoid an unused variable warning.

 demos/gtk-demo/main.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
---
diff --git a/demos/gtk-demo/main.c b/demos/gtk-demo/main.c
index 96ec96e476..3253131541 100644
--- a/demos/gtk-demo/main.c
+++ b/demos/gtk-demo/main.c
@@ -751,7 +751,6 @@ demo_filter_by_name (gpointer item,
                      gpointer user_data)
 {
   GtkTreeListRow *row = item;
-  GtkFilterListModel *model = user_data;
   GListModel *children;
   GtkDemo *demo;
   guint i, n;
@@ -762,7 +761,7 @@ demo_filter_by_name (gpointer item,
     return TRUE;
 
   g_assert (GTK_IS_TREE_LIST_ROW (row));
-  g_assert (GTK_IS_FILTER_LIST_MODEL (model));
+  g_assert (GTK_IS_FILTER_LIST_MODEL (user_data));
 
   /* Show a row if itself of any parent matches */
   for (parent = row; parent; parent = gtk_tree_list_row_get_parent (parent))