diff -r ea891871f481 -r bb5522e88ab2 misc/libphysfs/lzma/CPP/7zip/Archive/Common/CrossThreadProgress.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/misc/libphysfs/lzma/CPP/7zip/Archive/Common/CrossThreadProgress.cpp	Mon Apr 10 12:06:43 2017 -0400
@@ -0,0 +1,15 @@
+// CrossThreadProgress.cpp
+
+#include "StdAfx.h"
+
+#include "CrossThreadProgress.h"
+
+STDMETHODIMP CCrossThreadProgress::SetRatioInfo(const UInt64 *inSize, const UInt64 *outSize)
+{
+  InSize = inSize;
+  OutSize = outSize;
+  ProgressEvent.Set();
+  WaitEvent.Lock();
+  return Result;
+}
+