Fix build failure (#1134).

diff --git a/src/lib/audio_ring_buffers.cc b/src/lib/audio_ring_buffers.cc
index 4e0b3338237fd268c322d90bbacd03ec19a3bec9..42115efa3e786835cfb7e62b20e31b80d8095f1f 100644 (file)
--- a/src/lib/audio_ring_buffers.cc
+++ b/src/lib/audio_ring_buffers.cc
@@ -22,6 +22,7 @@
 #include "dcpomatic_assert.h"
 #include "exceptions.h"
 #include <boost/foreach.hpp>
+#include <iostream>
 
 using std::min;
 using std::cout;