[Bug 40891] Shaders fail to compile in League of Legends

https://bugs.winehq.org/show_bug.cgi?id=40891

--- Comment #3 from David K.  ---
> I'm affected by the same error only when using windows 7 version in wine.
> The problem doesn't appear with winversion set to winXP

I don't observe the same. Without a native d3dx9_39.dll, the shaders fail to
compile even in WinXP mode. The game no longer crashes as it used to, but only
the HUD is drawn and everything else is just black/uninitialized video memory.