From a17a6fd6608540548cf6b31e0279912522e5eb90 Mon Sep 17 00:00:00 2001
From: Leonardo de Moura <leonardo@microsoft.com>
Date: Wed, 30 Sep 2015 17:47:46 -0700
Subject: [PATCH] chore(frontends/lean/pp): fix style

---
 src/frontends/lean/pp.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/frontends/lean/pp.cpp b/src/frontends/lean/pp.cpp
index 304521945a..52bcf365e3 100644
--- a/src/frontends/lean/pp.cpp
+++ b/src/frontends/lean/pp.cpp
@@ -4,6 +4,7 @@ Released under Apache 2.0 license as described in the file LICENSE.
 
 Author: Leonardo de Moura
 */
+#include <utility>
 #include <algorithm>
 #include <limits>
 #include <string>