From: Joost VandeVondele <Joost.VandeVondele@gmail.com>
Date: Sun, 28 May 2017 07:58:52 +0000 (+0200)
Subject: use auto& for histories
X-Git-Url: https://git.sesse.net/?p=stockfish;a=commitdiff_plain;h=1781439fc2bfb12f8a4e89b2a75fdeac6cd58672;hp=1781439fc2bfb12f8a4e89b2a75fdeac6cd58672;ds=sidebyside

use auto& for histories

No functional change.

Closes #1113
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