[Issue 19051] Undefined functions Set/GetWindowLongPtr in mingw libs

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=19051

--- Comment #3 from desisma at heidel.beer ---
(In reply to desisma from comment #2)
> I can repoduce this issue.
> 
> ----
> 
> C:\D>dmd -m64 R:\test.d -L="C:\D\dmd2\windows\lib64\mingw\user32.lib"
> 
> C:\D\dmd2\windows\bin\lld-link.exe: warning: app.obj: undefined symbol:
> SetWindowLongPtrA
> error: link failed
> Error: linker exited with status 1
> 
> ----
> 
> Regards,
> Elias

In order to prevent confusion, I used a different test app than the one posted
above. That's why the error message differs :)

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