rdflite bugfix: index so-idx created on wrong columns
rdflite bugfix: index so-idx created on wrong columns

ActiveRDF/ActiveRDF,net7/ActiveRDF,ActiveRDF/ActiveRDF,ActiveRDF/ActiveRDF,net7/ActiveRDF,mauriciobomfim/ActiveRDF,mauriciobomfim/ActiveRDF,mauriciobomfim/ActiveRDF,net7/ActiveRDF,net7/ActiveRDF