Add missing left->set_left which caused left side tag expressions to be evaluated as right side expressions
Add missing left->set_left which caused left side tag expressions to be evaluated as right side expressions

yoonkiss/fMBT,01org/fMBT,heivi/fMBT,mixu-/fMBT,giantpinkwalrus/fMBT,acozzette/fMBT,01org/fMBT,01org/fMBT,heivi/fMBT,rseymour/fMBT,giantpinkwalrus/fMBT,heivi/fMBT,mlq/fMBT,acozzette/fMBT,rseymour/fMBT,mixu-/fMBT,yoonkiss/fMBT,01org/fMBT,acozzette/fMBT,violep01/fMBT,violep01/fMBT,pombreda/fMBT,violep01/fMBT,acozzette/fMBT,rseymour/fMBT,mixu-/fMBT,mlq/fMBT,heivi/fMBT,01org/fMBT,mixu-/fMBT,mlq/fMBT,mlq/fMBT,mlq/fMBT,yoonkiss/fMBT,yoonkiss/fMBT,mixu-/fMBT,giantpinkwalrus/fMBT,pombreda/fMBT,heivi/fMBT,rseymour/fMBT,pombreda/fMBT,pombreda/fMBT,pombreda/fMBT,rseymour/fMBT,heivi/fMBT,yoonkiss/fMBT,heivi/fMBT,mlq/fMBT,pombreda/fMBT,acozzette/fMBT,giantpinkwalrus/fMBT,violep01/fMBT,violep01/fMBT,giantpinkwalrus/fMBT,pombreda/fMBT,mlq/fMBT,rseymour/fMBT,rseymour/fMBT