applies new string literal convention to the rest of the project

The current code base is not uniform. After some discussion,
we have chosen to go with double quotes by default.

1 files changed, 3 insertions, 3 deletions

diff --git a/actionmailer/Rakefile b/actionmailer/Rakefile
index 416c9ee33a..059d98fb28 100644
--- a/actionmailer/Rakefile
+++ b/actionmailer/Rakefile
@@ -1,4 +1,4 @@
-require 'rake/testtask'
+require "rake/testtask"
 
 desc "Default Task"
 task default: [ :test ]
@@ -8,7 +8,7 @@ task :package
 # Run the unit tests
 Rake::TestTask.new { |t|
   t.libs << "test"
-  t.pattern = 'test/**/*_test.rb'
+  t.pattern = "test/**/*_test.rb"
   t.warning = true
   t.verbose = true
   t.ruby_opts = ["--dev"] if defined?(JRUBY_VERSION)
@@ -17,7 +17,7 @@ Rake::TestTask.new { |t|
 namespace :test do
   task :isolated do
     Dir.glob("test/**/*_test.rb").all? do |file|
-      sh(Gem.ruby, '-w', '-Ilib:test', file)
+      sh(Gem.ruby, "-w", "-Ilib:test", file)
     end or raise "Failures"
   end
 end