Update subscription.php

Author: ptibogxiv

subscription.php

@@ -385,7 +385,9 @@
 				if (empty($reshook)) {
 					$subject = '';
 					$msg = '';
-
+					$object = new Adherent($db);
+					$object->fetch($memberid);
+					$memberid = $object->id;
 					// Send subscription email
 					include_once DOL_DOCUMENT_ROOT.'/core/class/html.formmail.class.php';
 					$formmail = new FormMail($db);