Fix #5875: Links to loans are incorrect in the bank account transactions tab

htdocs/loan/class/paymentloan.class.php

 <?php
-/* Copyright (C) 2014		Alexandre Spangaro   <aspangaro.dolibarr@gmail.com>
+/* Copyright (C) 2014-2016	Alexandre Spangaro   <aspangaro.dolibarr@gmail.com>
  * Copyright (C) 2015       Frederic France      <frederic.france@free.fr>
  *
  * This program is free software; you can redistribute it and/or modify
@@ -385,6 +385,7 @@ class PaymentLoan extends CommonObject
      *      All payment properties must have been set first like after a call to create().
      *
      *      @param	User	$user               Object of user making payment
+     *      @param  int		$fk_loan            Id of fk_loan to do link with this payment
      *      @param  string	$mode               'payment_loan'
      *      @param  string	$label              Label to use in bank record
      *      @param  int		$accountid          Id of bank account to do link with
@@ -392,7 +393,7 @@ class PaymentLoan extends CommonObject
      *      @param  string	$emetteur_banque    Name of bank
      *      @return int                 		<0 if KO, >0 if OK
      */
-    function addPaymentToBank($user, $mode, $label, $accountid, $emetteur_nom, $emetteur_banque)
+    function addPaymentToBank($user, $fk_loan, $mode, $label, $accountid, $emetteur_nom, $emetteur_banque)
     {
         global $conf;
 
@@ -445,11 +446,10 @@ class PaymentLoan extends CommonObject
                     }
                 }
 
-                // Add link 'company' in bank_url between invoice and bank transaction (for each invoice concerned by payment)
-                //$linkaddedforthirdparty=array();
+                // Add link 'loan' in bank_url between invoice and bank transaction (for each invoice concerned by payment)
                 if ($mode == 'payment_loan')
                 {
-                    $result=$acc->add_url_line($bank_line_id, $this->id, DOL_URL_ROOT.'/loan/card.php?id=', ($this->label?$this->label:''),'loan');
+                    $result=$acc->add_url_line($bank_line_id, $fk_loan, DOL_URL_ROOT.'/loan/card.php?id=', ($this->label?$this->label:''),'loan');
                     if ($result <= 0) dol_print_error($this->db);
                 }
             }

htdocs/loan/payment/payment.php

@@ -116,7 +116,7 @@ if ($action == 'add_payment')
 
             if (! $error)
             {
-                $result = $payment->addPaymentToBank($user, 'payment_loan', '(LoanPayment)', GETPOST('accountid', 'int'), '', '');
+                $result = $payment->addPaymentToBank($user, $chid, 'payment_loan', '(LoanPayment)', GETPOST('accountid', 'int'), '', '');
                 if (! $result > 0)
                 {
                     setEventMessages($payment->error, $payment->errors, 'errors');