Update ref, the variables got renamed. (#1391)
Update ref, the variables got renamed. (#1391)

This is due to ghc/ghc!5555 which caused a change in ModDetails in case of
NoBackend. Now the initModDetails is used to recreate the ModDetails from
interface and in-memory ModDetails is not used.
haskell/haddock,haskell/haddock,haskell/haddock,haskell/haddock,haskell/haddock