bugfix to prior commit - used wrong variable to identify sorting column number
bugfix to prior commit - used wrong variable to identify sorting column number

seguemark/mvc.jquery.datatables,mcintyre321/mvc.jquery.datatables,Sohra/mvc.jquery.datatables,mcintyre321/mvc.jquery.datatables,Sohra/mvc.jquery.datatables,mcintyre321/mvc.jquery.datatables,seguemark/mvc.jquery.datatables