storage.rb Reorder include to allow overriding Core

Signed-off-by: Julien 'Lta' BALLET <contact@lta.io>

Author: elthariel

lib/fog/openstack/storage/storage.rb

@@ -108,8 +108,8 @@ def reset_account_name
       end
 
       class Real
-        include Utils
         include Fog::OpenStack::Core
+        include Utils
 
         def self.not_found_class
           Fog::OpenStack::Storage::NotFound