From d91ada2e028338df35929a79a9393c6ac6e7b168 Mon Sep 17 00:00:00 2001
From: Chris Robinson <chris.kcat@gmail.com>
Date: Mon, 10 Dec 2018 02:13:57 -0800
Subject: Add missing header

---
 Alc/panning.cpp | 1 +
 1 file changed, 1 insertion(+)

(limited to 'Alc/panning.cpp')

diff --git a/Alc/panning.cpp b/Alc/panning.cpp
index 507ea5f7..c99cffa4 100644
--- a/Alc/panning.cpp
+++ b/Alc/panning.cpp
@@ -28,6 +28,7 @@
 
 #include <numeric>
 #include <algorithm>
+#include <functional>
 
 #include "alMain.h"
 #include "alAuxEffectSlot.h"
-- 
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