[Wine] NoSRGB patch for l4d2??

[Blackylol]

Where can I get this NoSRGB patch for left 4 dead 2 ? o_O 

http://appdb.winehq.org/objectManager.php?sClass=version&iId=18708

"Single player works quite well with NoSRGB-patch (please see main thread discussion for patch). "

but where is that main thread? D:


thanks