They're the same thing, and we still keep WXDLLIMPEXP_ADV in the existing code, but as this line was just moved to a new place, update it to use the more appropriate DLL export declaration too. No real changes.
They're the same thing, and we still keep WXDLLIMPEXP_ADV in the existing code, but as this line was just moved to a new place, update it to use the more appropriate DLL export declaration too. No real changes.