Merge pull request #755 from tphoney/method_missing

fix logic in method_missing

Author: rnelson0

lib/puppet-lint/configuration.rb

@@ -54,7 +54,7 @@ def method_missing(method, *args, &_block)
 
       option = Regexp.last_match(:option)
       add_option(option.to_s) if settings[option].nil?
-      settings[option] = args[0] if args.length > 1
+      settings[option] = args[0] unless args.empty?
     end
 
     def respond_to_missing?(method, *)