http://bugs.winehq.org/show_bug.cgi?id=12057
--- Comment #8 from vitja vitja.makarov@gmail.com 2008-06-24 00:57:33 --- Hmmm...
This bug seems to be related to some old applications but I think still should be fixed. Writing own ecvt() version I think is bad idea. Most modern libraries have thread safe ecvt or special ecvt_r(). So can we use ecvt_r on GNU systems and ecvt otherwise?