[gtk+] tools: Fix casting warnings

[Benjamin Otte <otte src gnome org>]

commit 6449b4a61003bb49a6c18b6bc8d229b548812b73
Author: Benjamin Otte <otte redhat com>
Date:   Mon Jul 8 16:17:18 2013 +0200

    tools: Fix casting warnings

 docs/tools/widgets.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/docs/tools/widgets.c b/docs/tools/widgets.c
index 5b231a2..a88a22d 100644
--- a/docs/tools/widgets.c
+++ b/docs/tools/widgets.c
@@ -1454,7 +1454,7 @@ create_list_box (void)
   gtk_widget_set_halign (button, GTK_ALIGN_END);
   gtk_container_add (GTK_CONTAINER (row), button);
   gtk_container_add (GTK_CONTAINER (list), row);
-  gtk_list_box_select_row (GTK_CONTAINER (list), gtk_widget_get_parent (row));
+  gtk_list_box_select_row (GTK_LIST_BOX (list), GTK_LIST_BOX_ROW (gtk_widget_get_parent (row)));
   row = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 10);
   gtk_container_add (GTK_CONTAINER (row), gtk_label_new ("Line Two"));
   button = gtk_button_new_with_label ("2");