http://bugs.winehq.org/show_bug.cgi?id=31849
--- Comment #3 from Rico kgbricola@web.de 2012-10-08 06:42:38 CDT --- Both are using gentoo 64bit and wine 32bit.
Please have a look at bug 31901 . You likely have to patch emul-linux-x86-xlibs instead of libxcb ...