[FIX] website_portal: missing kwargs

The route "/my/home" is missing kwargs, therefore switching to debug
mode or trying to translate leads to a traceback.

opw-681380

addons/website_portal/controllers/main.py

@@ -7,7 +7,7 @@ from openerp.tools.translate import _
 
 class website_account(http.Controller):
     @http.route(['/my', '/my/home'], type='http', auth="public", website=True)
-    def account(self):
+    def account(self, **kw):
         partner = request.env.user.partner_id
 
         # get customer sales rep