https://bugs.winehq.org/show_bug.cgi?id=18201
--- Comment #12 from Austin English austinenglish@gmail.com --- There's now a stub in: https://source.winehq.org/git/wine.git/commitdiff/ca1bf14aaf5c076a7629e9565d...
so the original problem should be fixed. Note that this won't import the certificate, of course.