arcfour.rb in prawn-2.3.0

- old
+ new

@@ -1,4 +1,6 @@
+# frozen_string_literal: true
+
 # Implementation of the "ARCFOUR" algorithm ("alleged RC4 (tm)"). Implemented
 # as described at:
 # http://www.mozilla.org/projects/security/pki/nss/draft-kaukonen-cipher-arcfour-03.txt
 #
 # "RC4" is a trademark of RSA Data Security, Inc.