jshint fix
jshint fix

i18n.js: line 192, col 13, Use '===' to compare with 'null'. (W041)

oliversalzburg/i18n-node,mashpie/i18n-node,gratex/i18n-node,travnels/i18n-node,teambition/i18n-node,teambition/i18n-node