errors.rb in prawn-icon-3.1.0

- old
+ new

@@ -1,6 +1,6 @@
-# encoding: utf-8
-#
+# frozen_string_literal: true
+
 # errors.rb - Prawn::Icon standard errors.
 #
 # Copyright September 2016, Jesse Doyle. All rights reserved.
 #
 # This is free software. Please see the LICENSE and COPYING files for details.