http://bugs.winehq.org/show_bug.cgi?id=25778
--- Comment #2 from Nikolay Sivov bunglehead@gmail.com 2011-01-15 02:37:15 CST --- This is a result of this one, right:
--- commit 21137cd3c3570e14e4231d6f6cc1dc6a047fb3e9 Author: Ken Thomases ken@codeweavers.com Date: Wed Jan 5 07:25:23 2011 -0600
windowscodecs: Use Mac OS X native ICNS support, not libicns.
The ICNS support is only used on Mac OS X and is not anticipated to be used on any other platform. So, we can rely on the native frameworks rather than a third-party dependency. ---
Try to revert it to confirm.