Allow only admin to change other user preferences.

modules/Users/actions/Save.php

@@ -21,7 +21,7 @@ class Users_Save_Action extends Vtiger_Save_Action {
 		
 		if ($allowed) {
 			// Deny access if not administrator or account-owner or self
-			if(!$currentUserModel->isAdminUser() && !$recordModel->isAccountOwner()) {
+			if(!$currentUserModel->isAdminUser()) {
 				if (empty($record)) {
 					$allowed = false;
 				} else if ($currentUserModel->get('id') != $recordModel->getId()) {