Fix space-before-function-paren lint
Fix space-before-function-paren lint

This is a new lint error that we're seeing since upgrading eslint.

tgriesser/graphql-js,gabelevi/graphql-js,graphql/graphql-js,jjergus/graphql-js,enaqx/graphql-js,enaqx/graphql-js,baer/graphql-js,enaqx/graphql-js,baer/graphql-js,gabelevi/graphql-js,jjergus/graphql-js,graphql/graphql-js,tgriesser/graphql-js,graphql/graphql-js