Fixed: Unable to set custom fields for versions using the REST API (#13850).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11760 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/models/version.rb

@@ -47,7 +47,8 @@ class Version < ActiveRecord::Base
     'wiki_page_title',
     'status',
     'sharing',
-    'custom_field_values'
+    'custom_field_values',
+    'custom_fields'
 
   # Returns true if +user+ or current user is allowed to view the version
   def visible?(user=User.current)