fix remaining fallout of 64bit refactoring causing esprima tests to fail
fix remaining fallout of 64bit refactoring causing esprima tests to fail

carlosalberto/echo-js,carlosalberto/echo-js,carlosalberto/echo-js,toshok/echojs,carlosalberto/echo-js,toshok/echojs,toshok/echojs,toshok/echojs,toshok/echojs,toshok/echojs,carlosalberto/echo-js,carlosalberto/echo-js,toshok/echojs,toshok/echojs