From 8facae0e8033d0c6be0fb3b259c785fd5f91f667 Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Thu, 20 Dec 2012 07:48:06 +0000
Subject: Missing include.

---
 src/lib/encoder.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'src/lib/encoder.h')

diff --git a/src/lib/encoder.h b/src/lib/encoder.h
index 8ab4479ef..e5916ad3a 100644
--- a/src/lib/encoder.h
+++ b/src/lib/encoder.h
@@ -28,6 +28,7 @@
 #include <boost/thread/mutex.hpp>
 #include <boost/thread/condition.hpp>
 #include <boost/thread.hpp>
+#include <boost/optional.hpp>
 #include <list>
 #include <stdint.h>
 extern "C" {
-- 
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