message: gbc java: Quote attributes in schema init.
diff: @@ -75,7 +75,7 @@ initSuperSchema _ _ = error "Java: base type was not a UserDefined"
  initAttr :: Text -> Attribute -> Text
  initAttr target Attribute {..} =
  - [lt|#{target}.metadata.attributes.put(#{name}, #{value});|]
  + [lt|#{target}.metadata.attributes.put("#{name}", "#{value}");|]
  where
  name = showQualifiedName attrName
  value = attrValue
  