BlockVolume.inl:

- Reapply the fix from r572 since it got lost in the BlockVolume renaming.
- Include headers++

SurfaceExtractors.cpp:
- Add a newline to end of file to quieten gcc

source/SurfaceExtractors.cpp

@@ -813,4 +813,4 @@ namespace PolyVox
 		}
 		return result;
 	}
-}
+}