Rakefile in ffprober-0.5.1 vs Rakefile in ffprober-0.5.2

@@ -1,10 +1,12 @@
-require "bundler/gem_tasks"
-require "rake/testtask"
+# frozen_string_literal: true
 
+require 'bundler/gem_tasks'
+require 'rake/testtask'
+
 Rake::TestTask.new(:test) do |t|
-  t.libs << "test"
-  t.libs << "lib"
+  t.libs << 'test'
+  t.libs << 'lib'
   t.test_files = FileList['test/**/*_test.rb']
 end
 
 task default: :test