eiru_mrp_clic/views/mrp_production.xml

<?xml version="1.0" encoding="utf-8"?>
<openerp>
<data>

    <record id="mrp_production_clic_form_view" model="ir.ui.view">
        <field name="name">MRP con Clic</field>
        <field name="model">mrp.production</field>
        <field name="inherit_id" ref="mrp.mrp_production_form_view" />
        <field name="arch" type="xml">
            <field name="origin" position="after">
                <field name="number_clic" string="Nº de clic"/>
            </field>
        </field>
    </record>

</data>
</openerp>