Additional patch for bug #895106

[Frank C <li...@si...>]

While working on bug #895106 "Colours have no effect on textured  
geometry"  
<http://sourceforge.net/tracker/index.php? 
func=detail&aid=895106&group_id=45158&atid=442052> I failed to realize  
that QD3D blends transparency colours at all times, on both lit and  
null shaded geometry. I believe this was true even prior to QD3D 1.6...

This patch: <http://webhome.idirect.com/~frankco/IRGeometry.zip>  
contains a small change to IRGeometry.c that fixes this oversight.

Thanks,
Frank.