[Issue 23547] [REG master] C header files have precedent over D modules

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=23547

--- Comment #2 from Iain Buclaw <ibuclaw at gdcproject.org> ---
https://github.com/dlang/dmd/pull/14636

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