http://bugs.winehq.org/show_bug.cgi?id=26852
--- Comment #4 from Dmitry Timoshkov dmitry@codeweavers.com 2011-04-20 10:02:10 CDT --- (In reply to comment #3)
All of my locale settings (not just LANG) are set to Japanese: LANG=ja_JP.utf8
Do you really have the Japanese locale installed?