title: Report translation sales order/ quotation not working
body: <p>I have added this code to the sale module </p>
  
  <pre><code>sale -&gt; i18n -&gt; nl.po
  </code></pre>
  
  <p>but it's not translated in the report/pdf file    </p>
  
  <pre><code>#. module: sale
  #: report:sale.order:0
  msgid "Disc.(%)"
  msgstr "Krt. (%)"
  
  #. module: sale
  #: view:sale.report:0
  #: field:sale.report,price_total:0
  msgid "Total"
  msgstr "Totaalprijs"
  
  #. module: sale  
  #: field:sale.advance.payment.inv,qtty:0
  #: report:sale.order:0
  #: field:sale.order.line,product_uom_qty:0
  msgid "Quantity"
  msgstr "Hoeveelheid"
  </code></pre>