wine users - Aug 2007 - Application minimizing resizes it to icon size.

Hello, i have a silly question.

Why does application resized to icon size when it gets minimized ?
(also when switching desktops, but thats acts as minimized i think)

Reason i ask is that, there is MMO Ryzom (ryzom.com), that gets a bit
confused when minimized and ingame UI gets messed up (only game i know
that does this)

If i comment out SetWindowPos() line in X11DRV_UnmapNotify() function
(file dlls/winex11.drv/winpos.c), then ingame ui stays ok.

thanks