From 072c2c08bfb7a6365a73cd5ece18f611b06a6fcf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cl=C3=A9ment=20B=C5=93sch?= <ubitux@gmail.com>
Date: Sat, 12 May 2012 17:24:08 +0200
Subject: [PATCH] doc/examples: add missing math.h include in decoding/encoding
 example.

The header is required for the sin() function.
---
 doc/examples/decoding_encoding.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/doc/examples/decoding_encoding.c b/doc/examples/decoding_encoding.c
index cb63294b14..9280b57ad3 100644
--- a/doc/examples/decoding_encoding.c
+++ b/doc/examples/decoding_encoding.c
@@ -29,6 +29,8 @@
  * format handling
  */
 
+#include <math.h>
+
 #include "libavutil/imgutils.h"
 #include "libavutil/opt.h"
 #include "libavcodec/avcodec.h"