fix source indent of lib/redmine/views/labelled_form_builder.rb

git-svn-id: http://svn.redmine.org/redmine/trunk@12957 e93f8b46-1217-0410-a6f0-8f06a7374b81
fix source indent of lib/redmine/views/labelled_form_builder.rb

git-svn-id: http://svn.redmine.org/redmine/trunk@12958 e93f8b46-1217-0410-a6f0-8f06a7374b81