Rakefile in fluent-plugin-http-cwm-0.1.0 vs Rakefile in fluent-plugin-http-cwm-0.2.0

@@ -1,4 +1,6 @@
+# frozen-string-literal: true
+
 require 'bundler'
 Bundler::GemHelper.install_tasks
 
 require 'rake/testtask'