[FIX] Incorrect reference to / in /web/session/logout controller

bzr revid: nicolas.vanhoren@openerp.com-20131105152138-2628ehdke7rdc1ov

addons/web/controllers/main.py

@@ -930,7 +930,7 @@ class Session(http.Controller):
         request.session.logout()
 
     @http.route('/web/session/logout', type='http', auth="user")
-    def logout(self, redirect='/'):
+    def logout(self, redirect='/web'):
         request.session.logout()
         return werkzeug.utils.redirect(redirect, 303)