Fixed bug order.profit calculation.

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

test/unit/financial_transaction_test.rb

@@ -1,3 +1,16 @@
+# == Schema Information
+# Schema version: 20090317175355
+#
+# Table name: financial_transactions
+#
+#  id            :integer         not null, primary key
+#  ordergroup_id :integer         default(0), not null
+#  amount        :decimal(8, 2)   default(0.0), not null
+#  note          :text            not null
+#  user_id       :integer         default(0), not null
+#  created_on    :datetime        not null
+#
+
 require File.dirname(__FILE__) + '/../test_helper'
 
 class FinancialTransactionTest < Test::Unit::TestCase