[gtk+] a11y: set ATK_ROLE_LIST_ITEM to GtkListBoxRow

[Alejandro Piñeiro Iglesias <apinheiro src gnome org>]

commit c6943fcbcf106ec475c029880919c4689cedd07c
Author: Alejandro Piñeiro <apinheiro igalia com>
Date:   Wed Sep 11 16:50:29 2013 +0200

    a11y: set ATK_ROLE_LIST_ITEM to GtkListBoxRow
    
    https://bugzilla.gnome.org/show_bug.cgi?id=707915

 gtk/gtklistbox.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtklistbox.c b/gtk/gtklistbox.c
index 1d9d594..1da04d7 100644
--- a/gtk/gtklistbox.c
+++ b/gtk/gtklistbox.c
@@ -2821,4 +2821,6 @@ gtk_list_box_row_class_init (GtkListBoxRowClass *klass)
                   _gtk_marshal_VOID__VOID,
                   G_TYPE_NONE, 0);
   widget_class->activate_signal = row_signals[ROW__ACTIVATE];
+
+  gtk_widget_class_set_accessible_role (widget_class, ATK_ROLE_LIST_ITEM);
 }