typo fix

lib/default-handlers.js

@@ -4,7 +4,7 @@ var fs = require('fs');
 var path = require('path');
 
 module.exports.agreeToTerms = function (args, agree) {
-  agree(args.agreeTos);
+  agree(null, args.agreeTos);
 };
 
 module.exports.setChallenge = function (args, challengePath, keyAuthorization, done) {