Fix build broken in Node 8.x (#387)
Fix build broken in Node 8.x (#387)

See https://github.com/tjunnone/npm-check-updates/issues/355
jiahaog/Nativefier,skewedlines/Nativefier,gfpacheco/Nativefier,jiahaog/Nativefier,zucher/nativefier,jiahaog/Nativefier,skewedlines/Nativefier,skewedlines/Nativefier,gfpacheco/Nativefier,gfpacheco/Nativefier,zucher/nativefier,zucher/nativefier