remove trailing white-spaces from app/models/attachment.rb.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@6526 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/models/attachment.rb

@@ -151,7 +151,7 @@ class Attachment < ActiveRecord::Base
                               :description => attachment['description'].to_s.strip,
                               :author => User.current)
         obj.attachments << a
-        
+
         if a.new_record?
           obj.unsaved_attachments ||= []
           obj.unsaved_attachments << a