Update graphql dependency in plug-in
Update graphql dependency in plug-in

Summary:
In conjunction with:

https://github.com/facebook/relay/pull/1509

Supersedes:

https://github.com/facebook/relay/pull/1510

This fixes the remaining two Flow errors in the plug-in, making it clean again.

Closes: https://github.com/facebook/relay/issues/1508
Closes https://github.com/facebook/relay/pull/1511

Reviewed By: kassens

Differential Revision: D4476956

Pulled By: wincent

fbshipit-source-id: 878b741ca7299b9c248030cd79536fcffe72598c

apalm/relay,wincent/relay,zpao/relay,chentsulin/relay,yungsters/relay,voideanvalue/relay,iamchenxin/relay,kassens/relay,yungsters/relay,josephsavona/relay,kassens/relay,xuorig/relay,iamchenxin/relay,atxwebs/relay,dbslone/relay,chentsulin/relay,xuorig/relay,facebook/relay,dbslone/relay,zpao/relay,cpojer/relay,zpao/relay,freiksenet/relay,wincent/relay,cpojer/relay,chirag04/relay,xuorig/relay,voideanvalue/relay,facebook/relay,wincent/relay,wincent/relay,wincent/relay,facebook/relay,atxwebs/relay,xuorig/relay,chentsulin/relay,cpojer/relay,kassens/relay,benjaminogles/relay,kassens/relay,freiksenet/relay,wincent/relay,yungsters/relay,apalm/relay,facebook/relay,atxwebs/relay,apalm/relay,xuorig/relay,rosskevin/relay,kassens/relay,facebook/relay,iamchenxin/relay,xuorig/relay,benjaminogles/relay,benjaminogles/relay,voideanvalue/relay,iamchenxin/relay,chirag04/relay,kassens/relay,freiksenet/relay,josephsavona/relay,atxwebs/relay,voideanvalue/relay,chirag04/relay,facebook/relay,rosskevin/relay,voideanvalue/relay,cpojer/relay,josephsavona/relay,voideanvalue/relay