commit 252ae0072b2cb4bbd4ed6d9b499b006d643352bc
Author: Antoine Beaupré <anarcat@koumbit.org>
Date:   Tue May 17 17:20:33 2011 -0400

    1158356 use 2.0 redirect to fix stackoverflow and dotnetopenid logins

diff --git a/openid_provider.inc b/openid_provider.inc
index b1073d9..13f9e13 100644
--- a/openid_provider.inc
+++ b/openid_provider.inc
@@ -157,7 +157,7 @@ function openid_provider_authentication_response($request) {
   if ($rp->auto_release) {
     $response = _openid_provider_sign($response);
     _openid_provider_rp_save($user->uid, $realm, TRUE);
-    return openid_redirect_http($response['openid.return_to'], $response); 
+    return openid_redirect($response['openid.return_to'], $response);
   }
   else {
     // Unset global post variable, otherwise FAPI will assume it has been