[Issue 15959] core.sys.windows modules should be modified for x64

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=15959

jiki at red.email.ne.jp changed:

           What    |Removed                     |Added
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           Keywords|                            |pull

--- Comment #1 from jiki at red.email.ne.jp ---
Fixed, and one more fix missed in list above.

https://github.com/dlang/druntime/pull/1552

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