[Issue 20074] header file generation doesn't include attributes with CallExp

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=20074

ZombineDev <petar.p.kirov at gmail.com> changed:

           What    |Removed                     |Added
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           Hardware|x86_64                      |All
                 OS|Linux                       |All

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