[FIX] account: _get_counterpart_move_line_vals
[FIX] account: _get_counterpart_move_line_vals

When the move_id was not set in the invoice, the field number
is False and making False + a string raised a type Error.

hip-odoo/odoo,laslabs/odoo,sysadminmatmoz/OCB,Elico-Corp/odoo_OCB,laslabs/odoo,storm-computers/odoo,Elico-Corp/odoo_OCB,bplancher/odoo,bplancher/odoo,hip-odoo/odoo,sysadminmatmoz/OCB,storm-computers/odoo,microcom/odoo,microcom/odoo,Elico-Corp/odoo_OCB,dfang/odoo,ygol/odoo,storm-computers/odoo,hip-odoo/odoo,microcom/odoo,dfang/odoo,laslabs/odoo,sysadminmatmoz/OCB,laslabs/odoo,hip-odoo/odoo,bplancher/odoo,sysadminmatmoz/OCB,dfang/odoo,dfang/odoo,microcom/odoo,Elico-Corp/odoo_OCB,Elico-Corp/odoo_OCB,storm-computers/odoo,hip-odoo/odoo,ygol/odoo,ygol/odoo,hip-odoo/odoo,ygol/odoo,storm-computers/odoo,Elico-Corp/odoo_OCB,sysadminmatmoz/OCB,bplancher/odoo,microcom/odoo,sysadminmatmoz/OCB,sysadminmatmoz/OCB,ygol/odoo,ygol/odoo,bplancher/odoo,ygol/odoo,dfang/odoo,laslabs/odoo,laslabs/odoo,storm-computers/odoo,dfang/odoo,bplancher/odoo,microcom/odoo