ec2.rb in ohai-16.7.18

- old
+ new

@@ -1,4 +1,5 @@
+# frozen_string_literal: true
 #
 # Author:: Tim Dysinger (<tim@dysinger.net>)
 # Author:: Benjamin Black (<bb@chef.io>)
 # Author:: Christopher Brown (<cb@chef.io>)
 # Author:: Tim Smith (<tsmith@chef.io>)