diff -r ea891871f481 -r bb5522e88ab2 misc/libphysfs/lzma/CPP/7zip/IProgress.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/misc/libphysfs/lzma/CPP/7zip/IProgress.h	Mon Apr 10 12:06:43 2017 -0400
@@ -0,0 +1,30 @@
+// Interface/IProgress.h
+
+#ifndef __IPROGRESS_H
+#define __IPROGRESS_H
+
+#include "../Common/MyUnknown.h"
+#include "../Common/Types.h"
+
+#include "IDecl.h"
+
+DECL_INTERFACE(IProgress, 0, 5)
+{
+  STDMETHOD(SetTotal)(UInt64 total) PURE;
+  STDMETHOD(SetCompleted)(const UInt64 *completeValue) PURE;
+};
+
+/*
+// {23170F69-40C1-278A-0000-000000050002}
+DEFINE_GUID(IID_IProgress2, 
+0x23170F69, 0x40C1, 0x278A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x00, 0x02);
+MIDL_INTERFACE("23170F69-40C1-278A-0000-000000050002")
+IProgress2: public IUnknown
+{
+public:
+  STDMETHOD(SetTotal)(const UInt64 *total) PURE;
+  STDMETHOD(SetCompleted)(const UInt64 *completeValue) PURE;
+};
+*/
+
+#endif