[gnome-control-center] keyboard: Fix gtk_tree_model_get_iter_first() retval

[Bastien Nocera <hadess src gnome org>]

commit 71de309ff2de901642119e5234525cce5853158c
Author: Bastien Nocera <hadess hadess net>
Date:   Tue May 26 13:21:52 2015 +0200

    keyboard: Fix gtk_tree_model_get_iter_first() retval
    
    https://bugzilla.gnome.org/show_bug.cgi?id=749892

 panels/keyboard/keyboard-shortcuts.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/panels/keyboard/keyboard-shortcuts.c b/panels/keyboard/keyboard-shortcuts.c
index 29681b5..e47e5d0 100644
--- a/panels/keyboard/keyboard-shortcuts.c
+++ b/panels/keyboard/keyboard-shortcuts.c
@@ -764,7 +764,7 @@ reload_sections (CcPanel *panel)
           return;
        }
     }
-  gtk_tree_model_get_iter_first (sort_model, &iter);
+  g_assert (gtk_tree_model_get_iter_first (sort_model, &iter));
   selection = gtk_tree_view_get_selection (section_treeview);
   gtk_tree_selection_select_iter (selection, &iter);