[Issue 23067] importC: offsetof macro assumes size_t is defined

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=23067

Walter Bright <bugzilla at digitalmars.com> changed:

           What    |Removed                     |Added
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                 CC|                            |bugzilla at digitalmars.com

--- Comment #3 from Walter Bright <bugzilla at digitalmars.com> ---
It works now if you #include "importc.h". This will become automatic soon.

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