From d7d043a5ef9ede70e656862442c1eda6cc386762 Mon Sep 17 00:00:00 2001
From: Alexey Elymanov <strangeqargo@gmail.com>
Date: Tue, 20 Feb 2018 11:53:55 +0300
Subject: [PATCH] fix building on freebsd (clang)

fixes error: 'pow' is not a member of 'std'
---
 examples/alffplay.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/examples/alffplay.cpp b/examples/alffplay.cpp
index 7f83f61d..6f6773a4 100644
--- a/examples/alffplay.cpp
+++ b/examples/alffplay.cpp
@@ -18,6 +18,7 @@
 #include <mutex>
 #include <deque>
 #include <array>
+#include <cmath>
 
 extern "C" {
 #include "libavcodec/avcodec.h"