[FIX] sale_layout: Add dependancy to account_invoice_layout => sequence field on invoice line used

bzr revid: mra@mra-laptop-20100810041821-irrjcq6ijz8p7ta5

addons/sale_layout/__openerp__.py

@@ -21,7 +21,7 @@
 {
     "name" : "Sale Order Layout",
     "version" : "1.0",
-    "depends" : ["sale"],
+    "depends" : ["sale", "account_invoice_layout"],
     "author" : "OpenERP SA",
     "description": """
     This module provides features to improve the layout of the Sale Order.