Replace RAILS_DEFAULT_LOGGER with ::Rails.logger (#11013).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@9712 e93f8b46-1217-0410-a6f0-8f06a7374b81

lib/redmine/imap.rb

@@ -53,7 +53,7 @@ module Redmine
       private
 
       def logger
-        RAILS_DEFAULT_LOGGER
+        ::Rails.logger
       end
     end
   end

lib/redmine/pop3.rb

@@ -55,7 +55,7 @@ module Redmine
       private
 
       def logger
-        RAILS_DEFAULT_LOGGER
+        ::Rails.logger
       end
     end
   end