1 files changed, 1 insertions, 0 deletions
diff --git a/Swiften/FileTransfer/WriteBytestream.h b/Swiften/FileTransfer/WriteBytestream.h
index 5d9c3f8..5452317 100644
--- a/Swiften/FileTransfer/WriteBytestream.h
+++ b/Swiften/FileTransfer/WriteBytestream.h
@@ -1,32 +1,33 @@
 /*
  * Copyright (c) 2010-2016 Isode Limited.
  * All rights reserved.
  * See the COPYING file for more information.
  */
 
 #pragma once
 
 #include <memory>
 #include <vector>
 
 #include <boost/signals2.hpp>
 
 #include <Swiften/Base/API.h>
 
 namespace Swift {
     class SWIFTEN_API WriteBytestream {
         public:
             typedef std::shared_ptr<WriteBytestream> ref;
 
             virtual ~WriteBytestream();
 
             /**
              * Write data from vector argument to bytestream.
              *
              * On success true is returned and \ref onWrite is called. On failure false is returned.
              */
             virtual bool write(const std::vector<unsigned char>&) = 0;
+            virtual void close() {}
 
             boost::signals2::signal<void (const std::vector<unsigned char>&)> onWrite;
     };
 }