Fix typo in graphql-ir builder
Fix typo in graphql-ir builder

Reviewed By: jstejada

Differential Revision: D24625954

fbshipit-source-id: 061b7b4ad8c5c6d0fd69ea8b37202d3c42ea12ec

voideanvalue/relay,yungsters/relay,atxwebs/relay,facebook/relay,wincent/relay,yungsters/relay,wincent/relay,xuorig/relay,yungsters/relay,kassens/relay,atxwebs/relay,xuorig/relay,xuorig/relay,wincent/relay,kassens/relay,josephsavona/relay,wincent/relay,josephsavona/relay,atxwebs/relay,voideanvalue/relay,wincent/relay,atxwebs/relay,kassens/relay,xuorig/relay,voideanvalue/relay,facebook/relay,josephsavona/relay,xuorig/relay,voideanvalue/relay,facebook/relay,wincent/relay,voideanvalue/relay,voideanvalue/relay,facebook/relay,kassens/relay,kassens/relay,kassens/relay,facebook/relay,facebook/relay,xuorig/relay