}
static void
-refresh (PsppireDialogActionKmeans *fd)
+refresh (PsppireDialogAction *fd_)
{
+ PsppireDialogActionKmeans *fd = PSPPIRE_DIALOG_ACTION_KMEANS (fd_);
GtkTreeModel *liststore =
gtk_tree_view_get_model (GTK_TREE_VIEW (fd->variables));
gtk_list_store_clear (GTK_LIST_STORE (liststore));