[msvcrt] properly align struct _stati64's st_size

[Hans Leidekker]

On Saturday 03 February 2007 16:15:11 Dmitry Timoshkov wrote:

> Does the approach used in winbase.h in declaration of WIN32_STREAM_ID to
> align the Size field help?

That should fix this particular struct but __int64 is used elsewhere
inside and outside of Wine, so maybe the typedef for __int64 itself
should get the alignment attribute?

 -Hans