Minor bugfix.
Minor bugfix.

Exportable is always needed, so why would we only create it if it has callbacks?

futureplatforms/Kirin,KirinJS/Kirin,futureplatforms/Kirin,futureplatforms/Kirin,futureplatforms/Kirin,KirinJS/Kirin,KirinJS/Kirin,futureplatforms/Kirin