Rename type variables

Author: Victor Nawothnig

src/GraphQL/Internal/API/Enum.hs

@@ -89,7 +89,7 @@ instance forall conName p b. (KnownSymbol conName) => GenericEnumValues (C1 ('Me
 instance forall conName f s sa sb.
   ( TypeError ('Text "Constructor not nullary: " ':<>: 'Text conName)
   , KnownSymbol conName
-  ) => GenericEnumValues (C1 ('MetaCons conName p b) (S1 sa sb)) where
+  ) => GenericEnumValues (C1 ('MetaCons conName f s) (S1 sa sb)) where
   genericEnumValues = nonUnaryConstructorError
   genericEnumFromValue = nonUnaryConstructorError
   genericEnumToValue = nonUnaryConstructorError