Push to mysql-5.5

storage/perfschema/pfs_check.cc

-/* Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
+/* Copyright (c) 2009, 2013, Oracle and/or its affiliates. All rights reserved.
 
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -55,6 +55,7 @@ void check_performance_schema()
 
   PFS_engine_table_share::check_all_tables(thd);
 
+  thd->restore_globals();
   delete thd;
   DBUG_VOID_RETURN;
 }