diff -r 5f819b90d479 -r 99b265e0d1d0 misc/libphysfs/lzma/CPP/7zip/Common/LockedStream.cpp
--- a/misc/libphysfs/lzma/CPP/7zip/Common/LockedStream.cpp	Thu Oct 11 23:43:31 2018 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,23 +0,0 @@
-// LockedStream.cpp
-
-#include "StdAfx.h"
-
-#include "LockedStream.h"
-
-HRESULT CLockedInStream::Read(UInt64 startPos, void *data, UInt32 size, 
-  UInt32 *processedSize)
-{
-  NWindows::NSynchronization::CCriticalSectionLock lock(_criticalSection);
-  RINOK(_stream->Seek(startPos, STREAM_SEEK_SET, NULL));
-  return _stream->Read(data, size, processedSize);
-}
-
-STDMETHODIMP CLockedSequentialInStreamImp::Read(void *data, UInt32 size, UInt32 *processedSize)
-{
-  UInt32 realProcessedSize = 0;
-  HRESULT result = _lockedInStream->Read(_pos, data, size, &realProcessedSize);
-  _pos += realProcessedSize;
-  if (processedSize != NULL)
-    *processedSize = realProcessedSize;
-  return result;
-}