printeroptionwidget: Avoid a critical

The new_location can be NULL, as we clearly
knew earlier in the function. We've forgotten
about that by the time we unref it :(

diff --git a/gtk/gtkprinteroptionwidget.c b/gtk/gtkprinteroptionwidget.c
index 7cff48186d6c555fd6413689fd6acfd9fed6a7d9..c291fe3ec2e72cf6d672f8ad210a4d205568a77f 100644 (file)
--- a/gtk/gtkprinteroptionwidget.c
+++ b/gtk/gtkprinteroptionwidget.c
@@ -526,7 +526,7 @@ dialog_response_callback (GtkDialog              *dialog,
       g_free (uri);
     }
 
-  g_object_unref (new_location);
+  g_clear_object (&new_location);
   g_clear_object (&priv->last_location);
 
   /* unblock the handler which was blocked in the filesave_choose_cb function */