bundler in callgraphy-0.2.1

- old
+ new

@@ -1,5 +1,6 @@
 #!/usr/bin/env ruby
+# frozen_string_literal: true
 #
 # This file was generated by Bundler.
 #
 # The application 'bundler' is installed as part of a gem, and
 # this file is here to facilitate running it.