diff -r ea891871f481 -r bb5522e88ab2 misc/libphysfs/lzma/CPP/7zip/Archive/Common/DummyOutStream.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/misc/libphysfs/lzma/CPP/7zip/Archive/Common/DummyOutStream.h	Mon Apr 10 12:06:43 2017 -0400
@@ -0,0 +1,23 @@
+// DummyOutStream.h
+
+#ifndef __DUMMYOUTSTREAM_H
+#define __DUMMYOUTSTREAM_H
+
+#include "../../IStream.h"
+#include "Common/MyCom.h"
+
+class CDummyOutStream: 
+  public ISequentialOutStream,
+  public CMyUnknownImp
+{
+  CMyComPtr<ISequentialOutStream> _stream;
+  UInt64 _size;
+public:
+  void SetStream(ISequentialOutStream *outStream) { _stream = outStream; }
+  void Init() { _size = 0; }
+  MY_UNKNOWN_IMP
+  STDMETHOD(Write)(const void *data, UInt32 size, UInt32 *processedSize);
+  UInt64 GetSize() const { return _size; }
+};
+
+#endif