Nice find, there's probably more of this somewhere though? Either way thanks!!
Fix inconsistent function export annotations
Review Request #2740 — Created Oct. 27, 2023 and submitted
G_DECLARE_*TYPEmacros create a function prototype for the
function, so a second declaration with
inconsistency (which only MSVC seems to complain about.)
Compiled on Windows, though only Bonjour.