[FIX] account : error message when delete move line
[FIX] account : error message when delete move line

bzr revid: pna@tinyerp.com-20121122061446-f8g2wq2vw5hhikxu
podemos-info/odoo,podemos-info/odoo,podemos-info/odoo,podemos-info/odoo,podemos-info/odoo,podemos-info/odoo,podemos-info/odoo