Ensure NamedType is a known Node

leebyron · leebyron · commit dfe676c3011e · 2016-01-21T00:18:39.000-08:00
diff --git a/src/language/ast.js b/src/language/ast.js
@@ -44,6 +44,7 @@ export type Node = Name
                  | ObjectValue
                  | ObjectField
                  | Directive
+                 | NamedType
                  | ListType
                  | NonNullType
                  | ObjectTypeDefinition
