v2.rb in thinking-sphinx-4.0.0

- old
+ new

@@ -1,4 +1,6 @@
+# frozen_string_literal: true
+
 Capistrano::Configuration.instance(:must_exist).load do
   _cset(:thinking_sphinx_roles)   { :db }
   _cset(:thinking_sphinx_options) { {:roles => fetch(:thinking_sphinx_roles)} }
 
   namespace :thinking_sphinx do