From 6423ba87ed671bebb2ad1d9e470e11902c95da13 Fri, 3 Feb 2012 09:46:22 +0100
From: Jorrit Schippers <jorrit@161217.no-reply.drupal.org>
Date: Fri, 3 Feb 2012 09:45:56 +0100
Subject: [PATCH] Issue #219105 by Jorrit: Remove form_build_id key from data field when saving user

diff --git a/modules/user/user.module b/modules/user/user.module
index f7880fa..d1bbab4 100644
--- a/modules/user/user.module
+++ b/modules/user/user.module
@@ -247,7 +247,8 @@
         }
         else if ($key != 'roles') {
           // Roles is a special case: it used below.
-          if ($value === NULL) {
+          if ($value === NULL || $key == 'form_build_id') {
+            // Remove the form_build_id that was set by previous Drupal versions - bug #219105
             unset($data[$key]);
           }
           elseif (!empty($key)) {