fixed 2.2 builds for non-3.2 Rails
fixed 2.2 builds for non-3.2 Rails

aishek/activerecord-sortable,OrcaHealth/activerecord-sortable,OrcaHealth/activerecord-sortable,OrcaHealth/activerecord-sortable,aishek/activerecord-sortable,aishek/activerecord-sortable