diff -r 0135e64c6c66 -r c4fd2813b127 misc/libphysfs/lzma/CPP/7zip/Archive/Common/InStreamWithCRC.cpp
--- a/misc/libphysfs/lzma/CPP/7zip/Archive/Common/InStreamWithCRC.cpp	Wed May 16 18:22:28 2018 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,40 +0,0 @@
-// InStreamWithCRC.cpp
-
-#include "StdAfx.h"
-
-#include "InStreamWithCRC.h"
-
-STDMETHODIMP CSequentialInStreamWithCRC::Read(void *data, UInt32 size, UInt32 *processedSize)
-{
-  UInt32 realProcessedSize;
-  HRESULT result = _stream->Read(data, size, &realProcessedSize);
-  _size += realProcessedSize;
-  if (size > 0 && realProcessedSize == 0)
-    _wasFinished = true;
-  _crc = CrcUpdate(_crc, data, realProcessedSize);
-  if(processedSize != NULL)
-    *processedSize = realProcessedSize;
-  return result;
-}
-
-STDMETHODIMP CInStreamWithCRC::Read(void *data, UInt32 size, UInt32 *processedSize)
-{
-  UInt32 realProcessedSize;
-  HRESULT result = _stream->Read(data, size, &realProcessedSize);
-  if (size > 0 && realProcessedSize == 0)
-    _wasFinished = true;
-  _size += realProcessedSize;
-  _crc = CrcUpdate(_crc, data, realProcessedSize);
-  if(processedSize != NULL)
-    *processedSize = realProcessedSize;
-  return result;
-}
-
-STDMETHODIMP CInStreamWithCRC::Seek(Int64 offset, UInt32 seekOrigin, UInt64 *newPosition)
-{
-  if (seekOrigin != STREAM_SEEK_SET || offset != 0)
-    return E_FAIL;
-  _size = 0;
-  _crc = CRC_INIT_VAL;
-  return _stream->Seek(offset, seekOrigin, newPosition);
-}