http://bugs.winehq.org/show_bug.cgi?id=33166
--- Comment #2 from Austin English austinenglish@gmail.com 2013-03-10 16:30:13 CDT --- It's been around for a while, see 7ecc283bd9b6713e84f2d5b314d1173b841ddbd5. You're likely using an old native mvscrt.dll.