lib/packetgen/header/dot11/sub_mngt.rb in packetgen-2.4.0 vs lib/packetgen/header/dot11/sub_mngt.rb in packetgen-2.5.0

@@ -2,9 +2,11 @@
 # This file is part of PacketGen
 # See https://github.com/sdaubert/packetgen for more informations
 # Copyright (C) 2016 Sylvain Daubert <[e-mail]>
 # This program is published under MIT license.
 
+# frozen_string_literal: true
+
 module PacketGen
   module Header
     class Dot11
 
       # @abstract Base class for all subtype management frames