pkg_checksum in fix-expect-0.3.2 vs pkg_checksum in fix-expect-0.3.3

@@ -1,5 +1,6 @@
 #!/usr/bin/env ruby
+# frozen_string_literal: true
 
 require 'digest/sha2'
 
 gemname         = 'fix-expect'.to_sym
 ARGV[0]         = File.read('VERSION.semver').chomp if ARGV[0].nil?