[FIX] base: res partner fix name_get

Before this commit, if a partner was NOT company, but have 1 or more
contacts (delivery, invoice, ...), the nameget of the contact was empty.

Now we display the "<parent partner name>, <type contact>"

openerp/addons/base/res/res_partner.py

@@ -544,11 +544,11 @@ class Partner(models.Model, FormatAddress):
         for partner in self:
             name = partner.name or ''
 
-            if partner.commercial_company_name:
+            if partner.company_name or partner.parent_id:
                 if not name and partner.type in ['invoice', 'delivery', 'other']:
                     name = dict(self.fields_get(['type'])['type']['selection'])[partner.type]
                 if not partner.is_company:
-                    name = "%s, %s" % (partner.commercial_company_name, name)
+                    name = "%s, %s" % (partner.commercial_company_name or partner.parent_id.name, name)
             if self._context.get('show_address_only'):
                 name = partner._display_address(without_company=True)
             if self._context.get('show_address'):