[wined3d] cube texture tidyup. resent

[Oliver Stieber]

Hi,
   I've remerged this patch against wine-cvs.

Fix a bug in Preload caused be a missing brace
around a for loop,

improve the way that errors are handled by
passing back hr from some function calls.
Turn some fixme's into warns
remove superfluous IWineD3DSurface * casts
and remove circular referencing to parent.

The bug fix is the only notable functional change in
this patch.


	
	
		
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