http://bugs.winehq.org/show_bug.cgi?id=34819
--- Comment #3 from Frédéric Delanoy frederic.delanoy@gmail.com --- (In reply to comment #2)
julusp, did you actually mean "builtin" when you say "native"?
I can never remember myself off-hand, which one means provided by Wine, and which one is from Windows.
Maybe this would help explain: builtin = built in Wine native = from native environment, hence Windows