[Issue 21948] importC: Support declaring local variables of typedef types

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=21948

Iain Buclaw <ibuclaw at gdcproject.org> changed:

           What    |Removed                     |Added
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            Summary|importC: Support            |importC: Support declaring
                   |declarating local variables |local variables of typedef
                   |of typedef types            |types

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