[Issue 22598] importC: Add support for __extension__ keyword

[d-bugmail--- via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=22598

Iain Buclaw <ibuc...@gdcproject.org> changed:

           What    |Removed                     |Added
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           Keywords|                            |ImportC
                 CC|                            |ibuc...@gdcproject.org

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