From: Krystian Kuzniarek <krystian.kuzniarek@gmail.com>
Date: Thu, 31 Dec 2020 16:00:39 +0000 (+0100)
Subject: Change lock type
X-Git-Url: https://git.sesse.net/?p=stockfish;a=commitdiff_plain;h=329ef2a6aa362f4d831bdde4b31da40f3547985d;hp=329ef2a6aa362f4d831bdde4b31da40f3547985d

Change lock type

No additional features of std::unique_lock has been previously used
so it's better to use a lighter lock.

closes https://github.com/official-stockfish/Stockfish/pull/3284

No functional change.
---