https://bugs.winehq.org/show_bug.cgi?id=42835
--- Comment #7 from Ruslan Kabatsayev b7.10110111@gmail.com --- (In reply to Owen Rudge from comment #6)
https://source.winehq.org/patches/data/132856 should fix that, tested against gcc 4.4.7.
Yes, this does fix compilation for me now (with gcc 4.5). Thanks.