lpr: fix cast warning

diff --git a/modules/printbackends/gtkprintbackendlpr.c b/modules/printbackends/gtkprintbackendlpr.c
index 2d50971bfc9c257518c5f6d10eba9edf00a1f782..17ed4fbf3f0056af9e7076152572d63ffa8e2298 100644 (file)
--- a/modules/printbackends/gtkprintbackendlpr.c
+++ b/modules/printbackends/gtkprintbackendlpr.c
@@ -405,7 +405,7 @@ lpr_printer_get_options (GtkPrinter           *printer,
 
   option = gtk_printer_option_new ("gtk-n-up", _("Pages Per Sheet"), GTK_PRINTER_OPTION_TYPE_PICKONE);
   gtk_printer_option_choices_from_array (option, G_N_ELEMENTS (n_up),
-                                        n_up, n_up);
+                                         (char **)n_up, (char **)n_up);
   gtk_printer_option_set (option, "1");
   gtk_printer_option_set_add (set, option);
   g_object_unref (option);