g_object_unref(G_OBJECT(builder));
+--- abiword-2.8.6/goffice-bits/goffice/gtk/goffice-gtk.c~ 2008-08-14 20:15:33.000000000 +0200
++++ abiword-2.8.6/goffice-bits/goffice/gtk/goffice-gtk.c 2012-11-20 20:37:47.832386344 +0100
+@@ -853,7 +853,7 @@
+ GTK_DIALOG_DESTROY_WITH_PARENT,
+ GTK_MESSAGE_WARNING,
+ GTK_BUTTONS_OK_CANCEL,
+- msg);
++ "%s", msg);
+ gtk_dialog_set_default_response (GTK_DIALOG (dialog),
+ overwrite_by_default ? GTK_RESPONSE_OK : GTK_RESPONSE_CANCEL);
+ result = GTK_RESPONSE_OK ==