Fixed mysql error when switching from "Options" tab to "Ftp User" edit tab,

the onUpdate thought we were trying to change the Website because the Options
Datalog didn't have the parent_domain_id and the Ftp User tab did.

interface/web/sites/ftp_user_edit.php

@@ -139,9 +139,7 @@ class page_action extends tform_actions {
 		
 		$sql = "UPDATE ftp_user SET server_id = $server_id, dir = '$dir', uid = '$uid', gid = '$gid', sys_groupid = '$sys_groupid' WHERE ftp_user_id = ".$this->id;
 		$app->db->query($sql);
-		
-		
-	}
+		}
 
 	function onBeforeUpdate() {
 		global $app, $conf, $interfaceConf;
@@ -165,7 +163,7 @@ class page_action extends tform_actions {
 		global $app, $conf;
 		
 		//* When the site of the FTP user has been changed
-		if($this->oldDataRecord['parent_domain_id'] != $this->dataRecord['parent_domain_id']) {
+		if(isset($this->dataRecord['parent_domain_id']) && $this->oldDataRecord['parent_domain_id'] != $this->dataRecord['parent_domain_id']) {
 			$web = $app->db->queryOneRecord("SELECT * FROM web_domain WHERE domain_id = ".intval($this->dataRecord["parent_domain_id"]));
 			$server_id = $web["server_id"];
 			$dir = $web["document_root"];
@@ -206,4 +204,4 @@ class page_action extends tform_actions {
 $page = new page_action;
 $page->onLoad();
 
-?>
+?>
\ No newline at end of file