http://bugs.winehq.org/show_bug.cgi?id=8598
--- Comment #17 from Colin Finck mail@colinfinck.de 2012-11-19 12:35:35 CST --- (In reply to comment #16)
please test with latest wine version 1.5.8
Again, nobody has touched MSVCRT_fputwc for ages and this is not a bug that can be fixed accidentally. Look at comment #14, it even gives you a working patch. And it has to be done _exactly_ this way.