error in your SQL syntax with limit in restapi/includes/subscribers.php when calling subscribersGet

[alexandrenorman]

Got this error when calling "subscribersGet":

{'type': 'Error', 'data': {'message': "SQLSTATE[42000]: Syntax error or access violation: 1064 You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ''100' OFFSET 0' at line 1", 'code': '42000'}, 'status': 'error'}

Correction proposal for subscribers.php:

32c32
<             $limit = $_REQUEST['limit'];

---
>             $limit = intval($_REQUEST['limit']);
35c35
<             $offset = $_REQUEST['offset'];

---
>             $offset = intval($_REQUEST['offset']);