From f1f1ab847fbeefebdc741fbcf934a8be0c496968 Mon Sep 17 00:00:00 2001
From: Lefteris Karapetsas <lefteris@refu.co>
Date: Thu, 14 May 2015 21:53:59 +0200
Subject: [PATCH] Stricter interface for EthashAux::light()