Fixed bug order.profit calculation.

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

test/unit/shared_supplier_test.rb

@@ -1,3 +1,23 @@
+# == Schema Information
+# Schema version: 20090317175355
+#
+# Table name: suppliers
+#
+#  id            :integer(4)      not null, primary key
+#  name          :string(255)     not null
+#  address       :string(255)     not null
+#  phone         :string(255)     not null
+#  phone2        :string(255)
+#  fax           :string(255)
+#  email         :string(255)
+#  url           :string(255)
+#  delivery_days :string(255)
+#  note          :string(255)
+#  created_on    :datetime
+#  updated_on    :datetime
+#  lists         :string(255)
+#
+
 require File.dirname(__FILE__) + '/../test_helper'
 
 class SharedSupplierTest < Test::Unit::TestCase