diff -r ea891871f481 -r bb5522e88ab2 misc/libphysfs/lzma/CPP/Windows/PropVariant.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/misc/libphysfs/lzma/CPP/Windows/PropVariant.h	Mon Apr 10 12:06:43 2017 -0400
@@ -0,0 +1,57 @@
+// Windows/PropVariant.h
+
+#ifndef __WINDOWS_PROPVARIANT_H
+#define __WINDOWS_PROPVARIANT_H
+
+#include "../Common/MyWindows.h"
+#include "../Common/Types.h"
+
+namespace NWindows {
+namespace NCOM {
+
+class CPropVariant : public tagPROPVARIANT
+{
+public:
+  CPropVariant() { vt = VT_EMPTY; wReserved1 = 0; }
+  ~CPropVariant() { Clear(); }
+  CPropVariant(const PROPVARIANT& varSrc);
+  CPropVariant(const CPropVariant& varSrc);
+  CPropVariant(BSTR bstrSrc);
+  CPropVariant(LPCOLESTR lpszSrc);
+  CPropVariant(bool bSrc) { vt = VT_BOOL; wReserved1 = 0; boolVal = (bSrc ? VARIANT_TRUE : VARIANT_FALSE); };
+  CPropVariant(UInt32 value) { vt = VT_UI4; wReserved1 = 0; ulVal = value; }
+  CPropVariant(UInt64 value) { vt = VT_UI8; wReserved1 = 0; uhVal = *(ULARGE_INTEGER*)&value; }
+  CPropVariant(const FILETIME &value) { vt = VT_FILETIME; wReserved1 = 0; filetime = value; }
+  CPropVariant(Int32 value) { vt = VT_I4; wReserved1 = 0; lVal = value; }
+  CPropVariant(Byte value) { vt = VT_UI1; wReserved1 = 0; bVal = value; }
+  CPropVariant(Int16 value) { vt = VT_I2; wReserved1 = 0; iVal = value; }
+  // CPropVariant(LONG value, VARTYPE vtSrc = VT_I4) { vt = vtSrc; lVal = value; }
+
+  CPropVariant& operator=(const CPropVariant& varSrc);
+  CPropVariant& operator=(const PROPVARIANT& varSrc);
+  CPropVariant& operator=(BSTR bstrSrc);
+  CPropVariant& operator=(LPCOLESTR lpszSrc);
+  CPropVariant& operator=(bool bSrc);
+  CPropVariant& operator=(UInt32 value);
+  CPropVariant& operator=(UInt64 value);
+  CPropVariant& operator=(const FILETIME &value);
+
+  CPropVariant& operator=(Int32 value);
+  CPropVariant& operator=(Byte value);
+  CPropVariant& operator=(Int16 value);
+  // CPropVariant& operator=(LONG  value);
+
+  HRESULT Clear();
+  HRESULT Copy(const PROPVARIANT* pSrc);
+  HRESULT Attach(PROPVARIANT* pSrc);
+  HRESULT Detach(PROPVARIANT* pDest);
+
+  HRESULT InternalClear();
+  void InternalCopy(const PROPVARIANT* pSrc);
+
+  int Compare(const CPropVariant &a1);
+};
+
+}}
+
+#endif