remove trailing white-space from app/models/setting.rb

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11688 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/models/setting.rb

@@ -154,7 +154,7 @@ class Setting < ActiveRecord::Base
       clear_cache
     end
   end
-  
+
   # Clears the settings cache
   def self.clear_cache
     @cached_settings.clear