Fix compilation after D1349839
Fix compilation after D1349839

Summary: D1349839 broke thrift/lib/cpp2/test/ChannelTest.cpp

Test Plan: fbmake & contbuilt

Reviewed By: haijunz@fb.com

Subscribers: alandau, bmatheny

FB internal diff: D1350441

Blame Revision: D1349839

maxwell-demon/fbthrift,guker/fbthrift,guker/fbthrift,chjp2046/fbthrift,Orvid/fbthrift,SergeyMakarenko/fbthrift,getyourguide/fbthrift,chjp2046/fbthrift,raphaelamorim/fbthrift,kangkot/fbthrift,sinjar666/fbthrift,HankFaan/fbthrift,Orvid/fbthrift,LinusU/fbthrift,project-zerus/fbthrift,guker/fbthrift,kangkot/fbthrift,SergeyMakarenko/fbthrift,getyourguide/fbthrift,fengshao0907/fbthrift,raphaelamorim/fbthrift,kangkot/fbthrift,chjp2046/fbthrift,SergeyMakarenko/fbthrift,SergeyMakarenko/fbthrift,guker/fbthrift,chjp2046/fbthrift,getyourguide/fbthrift,sinjar666/fbthrift,sinjar666/fbthrift,soumith/fbthrift,Orvid/fbthrift,LinusU/fbthrift,uber/fbthrift,getyourguide/fbthrift,fengshao0907/fbthrift,facebook/fbthrift,sinjar666/fbthrift,soumith/fbthrift,jesboat/fbthrift,uber/fbthrift,jesboat/fbthrift,uber/fbthrift,guker/fbthrift,uber/fbthrift,kangkot/fbthrift,jesboat/fbthrift,kangkot/fbthrift,guker/fbthrift,project-zerus/fbthrift,sinjar666/fbthrift,HankFaan/fbthrift,maxwell-demon/fbthrift,getyourguide/fbthrift,fengshao0907/fbthrift,kangkot/fbthrift,HankFaan/fbthrift,raphaelamorim/fbthrift,maxwell-demon/fbthrift,SergeyMakarenko/fbthrift,getyourguide/fbthrift,Orvid/fbthrift,kangkot/fbthrift,getyourguide/fbthrift,kangkot/fbthrift,uber/fbthrift,maxwell-demon/fbthrift,chjp2046/fbthrift,chjp2046/fbthrift,getyourguide/fbthrift,uber/fbthrift,raphaelamorim/fbthrift,facebook/fbthrift,facebook/fbthrift,raphaelamorim/fbthrift,HankFaan/fbthrift,soumith/fbthrift,chjp2046/fbthrift,guker/fbthrift,project-zerus/fbthrift,chjp2046/fbthrift,Orvid/fbthrift,Orvid/fbthrift,fengshao0907/fbthrift,guker/fbthrift,maxwell-demon/fbthrift,SergeyMakarenko/fbthrift,facebook/fbthrift,facebook/fbthrift,SergeyMakarenko/fbthrift,HankFaan/fbthrift,HankFaan/fbthrift,project-zerus/fbthrift,kangkot/fbthrift,project-zerus/fbthrift,guker/fbthrift,chjp2046/fbthrift,soumith/fbthrift,chjp2046/fbthrift,maxwell-demon/fbthrift,HankFaan/fbthrift,facebook/fbthrift,getyourguide/fbthrift,fengshao0907/fbthrift,raphaelamorim/fbthrift,fengshao0907/fbthrift,LinusU/fbthrift,SergeyMakarenko/fbthrift,facebook/fbthrift,LinusU/fbthrift,jesboat/fbthrift,raphaelamorim/fbthrift,SergeyMakarenko/fbthrift,raphaelamorim/fbthrift,SergeyMakarenko/fbthrift,maxwell-demon/fbthrift,facebook/fbthrift,jesboat/fbthrift,HankFaan/fbthrift,Orvid/fbthrift,facebook/fbthrift,jesboat/fbthrift,sinjar666/fbthrift,getyourguide/fbthrift,project-zerus/fbthrift,jesboat/fbthrift,guker/fbthrift,fengshao0907/fbthrift,HankFaan/fbthrift,chjp2046/fbthrift,maxwell-demon/fbthrift,HankFaan/fbthrift,jesboat/fbthrift,LinusU/fbthrift,fengshao0907/fbthrift,fengshao0907/fbthrift,maxwell-demon/fbthrift,project-zerus/fbthrift,project-zerus/fbthrift,uber/fbthrift,Orvid/fbthrift,kangkot/fbthrift,sinjar666/fbthrift,getyourguide/fbthrift,Orvid/fbthrift,LinusU/fbthrift,fengshao0907/fbthrift,maxwell-demon/fbthrift,fengshao0907/fbthrift,jesboat/fbthrift,uber/fbthrift,jesboat/fbthrift,sinjar666/fbthrift,soumith/fbthrift,LinusU/fbthrift,jesboat/fbthrift,LinusU/fbthrift,LinusU/fbthrift,project-zerus/fbthrift,project-zerus/fbthrift,sinjar666/fbthrift,maxwell-demon/fbthrift,LinusU/fbthrift,project-zerus/fbthrift,raphaelamorim/fbthrift,sinjar666/fbthrift,Orvid/fbthrift,kangkot/fbthrift,project-zerus/fbthrift,raphaelamorim/fbthrift,uber/fbthrift,soumith/fbthrift,SergeyMakarenko/fbthrift,soumith/fbthrift,jesboat/fbthrift,uber/fbthrift,soumith/fbthrift,uber/fbthrift,uber/fbthrift,chjp2046/fbthrift,soumith/fbthrift,Orvid/fbthrift,SergeyMakarenko/fbthrift,getyourguide/fbthrift,sinjar666/fbthrift,soumith/fbthrift,HankFaan/fbthrift,LinusU/fbthrift,raphaelamorim/fbthrift,soumith/fbthrift,guker/fbthrift