From faf509e315bc90c114b2efa349c7c0bbbaf15af7 Mon Sep 17 00:00:00 2001
From: Lioncash <mathew1800@gmail.com>
Date: Tue, 20 Oct 2020 16:18:30 -0400
Subject: [PATCH] ExpressionParser: Add missing <functional> include

Unbreaks Windows CMake builds.
---
 Source/Core/InputCommon/ControlReference/ExpressionParser.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Source/Core/InputCommon/ControlReference/ExpressionParser.cpp b/Source/Core/InputCommon/ControlReference/ExpressionParser.cpp
index d4f93450e3..59c48f45dc 100644
--- a/Source/Core/InputCommon/ControlReference/ExpressionParser.cpp
+++ b/Source/Core/InputCommon/ControlReference/ExpressionParser.cpp
@@ -5,6 +5,7 @@
 #include <algorithm>
 #include <cassert>
 #include <cmath>
+#include <functional>
 #include <iostream>
 #include <map>
 #include <memory>