2 files changed, 2 insertions, 1 deletions
diff --git a/Swiften/FileTransfer/FileWriteBytestream.h b/Swiften/FileTransfer/FileWriteBytestream.h
index c563789..26ab98e 100644
--- a/Swiften/FileTransfer/FileWriteBytestream.h
+++ b/Swiften/FileTransfer/FileWriteBytestream.h
@@ -1,28 +1,28 @@
 /*
  * Copyright (c) 2010-2016 Isode Limited.
  * All rights reserved.
  * See the COPYING file for more information.
  */
 
 #pragma once
 
 #include <boost/filesystem/fstream.hpp>
 #include <boost/filesystem/path.hpp>
 
 #include <Swiften/Base/API.h>
 #include <Swiften/FileTransfer/WriteBytestream.h>
 
 namespace Swift {
     class SWIFTEN_API FileWriteBytestream : public WriteBytestream {
         public:
             FileWriteBytestream(const boost::filesystem::path& file);
             virtual ~FileWriteBytestream();
 
             virtual bool write(const std::vector<unsigned char>&);
-            void close();
+            virtual void close();
 
         private:
             boost::filesystem::path file;
             boost::filesystem::ofstream* stream;
     };
 }
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;
     };
 }