code cleanup: rubocop: fix Layout/EmptyLineBetweenDefs in db/migrate/20170302015225_change_attachments_digest_limit_to_64.rb

git-svn-id: http://svn.redmine.org/redmine/trunk@18515 e93f8b46-1217-0410-a6f0-8f06a7374b81

.rubocop_todo.yml

@@ -145,7 +145,6 @@ Layout/EmptyLineBetweenDefs:
     - 'app/models/user.rb'
     - 'app/models/user_preference.rb'
     - 'app/models/version.rb'
-    - 'db/migrate/20170302015225_change_attachments_digest_limit_to_64.rb'
     - 'lib/redmine/info.rb'
     - 'lib/redmine/version.rb'
     - 'test/functional/email_addresses_controller_test.rb'

db/migrate/20170302015225_change_attachments_digest_limit_to_64.rb

@@ -2,6 +2,7 @@ class ChangeAttachmentsDigestLimitTo64 < ActiveRecord::Migration[4.2]
   def up
     change_column :attachments, :digest, :string, limit: 64
   end
+
   def down
     change_column :attachments, :digest, :string, limit: 40
   end