Use frozen string literal in tools/

Author: koic

.rubocop.yml

@@ -94,6 +94,7 @@ Style/FrozenStringLiteralComment:
     - 'actionpack/**/*'
     - 'guides/**/*'
     - 'tasks/**/*'
+    - 'tools/**/*'
   Exclude:
     - 'actionview/test/**/*.builder'
     - 'actionview/test/**/*.ruby'

tools/console

@@ -1,4 +1,6 @@
 #!/usr/bin/env ruby
+# frozen_string_literal: true
+
 require "bundler"
 Bundler.setup
 

tools/profile

@@ -1,4 +1,6 @@
 #!/usr/bin/env ruby
+# frozen_string_literal: true
+
 # Profile require calls giving information about the time and the files that are called
 # when loading the provided file.
 #

tools/test.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 $: << File.expand_path("test", COMPONENT_ROOT)
 
 require "bundler"