Make js::detail::HashTable.* opaque

Author: Alan Jeffrey

build.rs

@@ -275,8 +275,7 @@ const OPAQUE_TYPES: &'static [&'static str] = &[
     "JS::detail::CallArgsBase.*",
     "js::HashMap.*",
     "js::detail::UniqueSelector.*",
-    "js::detail::HashTable_Ptr.*",
-    "js::detail::HashTable_Range.*",
+    "js::detail::HashTable.*",
     "mozilla::BufferList",
     "mozilla::Maybe.*",
     "mozilla::UniquePtr.*",