[FIX] point_of_sale: bug in decimal.precision lookup
[FIX] point_of_sale: bug in decimal.precision lookup

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