[Action Mailer] require => require_relative

actionmailer/lib/action_mailer.rb

@@ -22,7 +22,7 @@
 #++
 
 require "abstract_controller"
-require "action_mailer/version"
+require_relative "action_mailer/version"
 
 # Common Active Support usage in Action Mailer
 require "active_support"

actionmailer/lib/action_mailer/base.rb

 require "mail"
-require "action_mailer/collector"
+require_relative "collector"
 require "active_support/core_ext/string/inflections"
 require "active_support/core_ext/hash/except"
 require "active_support/core_ext/module/anonymous"
 
-require "action_mailer/log_subscriber"
-require "action_mailer/rescuable"
+require_relative "log_subscriber"
+require_relative "rescuable"
 
 module ActionMailer
   # Action Mailer allows you to send email from your application using a mailer model and views.