[Issue 24312] importC: Document workaround for using C symbols which are also D keywords

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=24312

Walter Bright <bugzilla at digitalmars.com> changed:

           What    |Removed                     |Added
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           Keywords|                            |ImportC, spec
          Component|dmd                         |dlang.org

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