Fix logic error in setting up default 'jdbc' visitor in configure_arel2_visitors
Fix logic error in setting up default 'jdbc' visitor in configure_arel2_visitors

keeguon/activerecord-jdbc-adapter,atambo/activerecord-jdbc-adapter,jruby/activerecord-jdbc-adapter,bruceadams/activerecord-jdbc-adapter,keeguon/activerecord-jdbc-adapter,jruby/activerecord-jdbc-adapter,kares/activerecord-jdbc-adapter,keeguon/activerecord-jdbc-adapter,bruceadams/activerecord-jdbc-adapter,bruceadams/activerecord-jdbc-adapter,kares/activerecord-jdbc-adapter,kares/activerecord-jdbc-adapter,jruby/activerecord-jdbc-adapter,atambo/activerecord-jdbc-adapter,atambo/activerecord-jdbc-adapter