[IMP] report_barcode function: parameter type to barcode_type

https://github.com/odoo/odoo/commit/ee324e8374536cebca4d7302210b07e8f33d3852

closes odoo/documentation#2847

X-original-commit: 3f34c3874c
Signed-off-by: Victor Feyens (vfe) <vfe@odoo.com>

content/developer/reference/backend/reports.rst

@@ -159,7 +159,7 @@ More parameters can be passed as a query string
 .. code-block:: html
 
     <img t-att-src="'/report/barcode/?
-        type=%s&amp;value=%s&amp;width=%s&amp;height=%s'%('QR', 'text', 200, 200)"/>
+        barcode_type=%s&amp;value=%s&amp;width=%s&amp;height=%s'%('QR', 'text', 200, 200)"/>
 
 
 Useful Remarks