Fix payment link for renewal with a unique secure key

htdocs/public/payment/newpayment.php

@@ -1336,7 +1336,7 @@ if ($source == 'contractline')
 }
 
 // Payment on member subscription
-if ($source == 'membersubscription')
+if ($source == 'member' || $source == 'membersubscription')
 {
 	$found = true;
 	$langs->load("members");