Don't show company_name if it's empty (non null) (#1929)

application/controllers/Sales.php

@@ -838,7 +838,7 @@ class Sales extends Secure_Controller
 		{
 			$customer_info = $this->Customer->get_info($customer_id);
 			$data['customer_id'] = $customer_id;
-			if(isset($customer_info->company_name))
+			if(!empty($customer_info->company_name))
 			{
 				$data['customer'] = $customer_info->company_name;
 			}