Fix colour not being set when a colour multiplier with white was added

src/codechicken/lib/render/ColourMultiplier.java

@@ -20,8 +20,10 @@ public class ColourMultiplier implements CCRenderState.IVertexOperation
 
     @Override
     public boolean load() {
-        if(colour == -1)
+        if(colour == -1) {
+            CCRenderState.setColour(-1);
             return false;
+        }
 
         CCRenderState.pipeline.addDependency(CCRenderState.colourAttrib);
         return true;