Fixed bug order.profit calculation.

Order.profit will also be saved, when order is closed.

test/unit/supplier_test.rb

@@ -1,3 +1,26 @@
+# == Schema Information
+# Schema version: 20090317175355
+#
+# Table name: suppliers
+#
+#  id                 :integer         not null, primary key
+#  name               :string(255)     default(""), not null
+#  address            :string(255)     default(""), not null
+#  phone              :string(255)     default(""), not null
+#  phone2             :string(255)
+#  fax                :string(255)
+#  email              :string(255)
+#  url                :string(255)
+#  contact_person     :string(255)
+#  customer_number    :string(255)
+#  delivery_days      :string(255)
+#  order_howto        :string(255)
+#  note               :string(255)
+#  shared_supplier_id :integer
+#  min_order_quantity :string(255)
+#  deleted_at         :datetime
+#
+
 require File.dirname(__FILE__) + '/../test_helper'
 
 class SupplierTest < Test::Unit::TestCase