Merged Rails 2.1 compatibility branch.

git-svn-id: http://redmine.rubyforge.org/svn/trunk@1623 e93f8b46-1217-0410-a6f0-8f06a7374b81

db/migrate/078_add_custom_fields_position.rb

@@ -1,7 +1,7 @@
 class AddCustomFieldsPosition < ActiveRecord::Migration
   def self.up
     add_column(:custom_fields, :position, :integer, :default => 1)
-    CustomField.find(:all).group_by(&:type).each_value  do |fields|
+    CustomField.find(:all).group_by(&:type).each  do |t, fields|
       fields.each_with_index do |field, i|
         # do not call model callbacks
         CustomField.update_all "position = #{i+1}", {:id => field.id}