[Issue 16049] core.sys.windows structs have wrong sizes and aligns

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=16049

--- Comment #2 from jiki at red.email.ne.jp ---
(In reply to jiki from comment #1)
> done
> https://github.com/dlang/druntime/pull/1576

Note that I deferred to commit a module MMSYSTEM 
because it gets many conflicts with/without my previous commit #1574 for issue
15959.

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