From 0f08342533e7dc028944c1368d5310d1e5987fa8 Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Mon, 27 May 2019 16:54:28 +0200
Subject: [PATCH] Fix QtLottie build for old OS X versions.

---
 Telegram/SourceFiles/lottie/lottie_pch.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Telegram/SourceFiles/lottie/lottie_pch.h b/Telegram/SourceFiles/lottie/lottie_pch.h
index 6ff729778f..9fc43180dc 100644
--- a/Telegram/SourceFiles/lottie/lottie_pch.h
+++ b/Telegram/SourceFiles/lottie/lottie_pch.h
@@ -9,6 +9,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 #include <vector>
 #include <functional>
+#include <cmath>
 
 #include <QtMath>
 #include <QDebug>