Bug#841882: workaround

[William L. DeRieux IV]

The thrown exceptions look like these:

    ERROR: System.MissingMethodException: Method not found: 'Int32 
System.Runtime.InteropServices.Marshal.SizeOf(!!0)'.
    ERROR: System.MissingMethodException: Method not found: 'Void 
System.Runtime.InteropServices.Marshal.StructureToPtr(!!0, IntPtr, 
Boolean)'.

    ---- this are the faulting lines (in the code I'm working with) ----
    Int32 intTokenElevationSize = Marshal.SizeOf(tevTokenElevation);
    Marshal.StructureToPtr(tevTokenElevation, pteTokenElevation, true);

    ---- explicitly casting to object fixes the method not found error ----
    Int32 intTokenElevationSize = 
Marshal.SizeOf((object)tevTokenElevation);
    Marshal.StructureToPtr((object)tevTokenElevation, 
pteTokenElevation, true);