Close code block with missing end

Running on OS X with mcollective installed as a gem, with libdir set to source checkout of marionette-collective/plugins:
```
$ sudo mcollectived
/Users/simon/.rvm/gems/ruby-2.1.0@vlad/gems/mcollective-2.2.3/lib/mcollective/pluginmanager.rb:169:in `load': /Users/simon/src/marionette-collective/plugins/mcollective/audit/logfile.rb:23: syntax error, unexpected end-of-input, expecting keyword_end (SyntaxError)
	from /Users/simon/.rvm/gems/ruby-2.1.0@vlad/gems/mcollective-2.2.3/lib/mcollective/pluginmanager.rb:169:in `loadclass'
	from /Users/simon/.rvm/gems/ruby-2.1.0@vlad/gems/mcollective-2.2.3/lib/mcollective/config.rb:141:in `loadconfig'
	from /Users/simon/.rvm/gems/ruby-2.1.0@vlad/gems/mcollective-2.2.3/bin/mcollectived:29:in `<top (required)>'
	from /Users/simon/.rvm/gems/ruby-2.1.0@vlad/bin/mcollectived:23:in `load'
	from /Users/simon/.rvm/gems/ruby-2.1.0@vlad/bin/mcollectived:23:in `<main>'
	from /Users/simon/.rvm/gems/ruby-2.1.0@vlad/bin/ruby_executable_hooks:15:in `eval'
	from /Users/simon/.rvm/gems/ruby-2.1.0@vlad/bin/ruby_executable_hooks:15:in `<main>'
```