A couple of fixes in the new attributes model

...tin/src/com/oracle/truffle/r/nodes/builtin/base/IsNA.java

...om/oracle/truffle/r/nodes/builtin/base/ShortRowNames.java

.../com/oracle/truffle/r/nodes/builtin/base/UpdateClass.java

.../com/oracle/truffle/r/nodes/builtin/fastr/FastrDqrls.java

...cle/truffle/r/nodes/attributes/GetFixedAttributeNode.java

...cle/truffle/r/nodes/attributes/SetFixedAttributeNode.java

...ruffle/r/nodes/attributes/SpecialAttributesFunctions.java

...des/src/com/oracle/truffle/r/nodes/objects/NewObject.java

...c/com/oracle/truffle/r/nodes/primitive/BinaryMapNode.java

...rc/com/oracle/truffle/r/nodes/primitive/UnaryMapNode.java

.../com/oracle/truffle/r/runtime/data/RAttributesLayout.java