Add connection time out option

lib/ocsclient.php

@@ -70,6 +70,7 @@ class OC_OCSClient{
             
             curl_setopt($curl, CURLOPT_HEADER, 0);
             curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
+            curl_setopt($curl, CURLOPT_CONNECTTIMEOUT, 10);
             curl_setopt($curl, CURLOPT_URL, $url);
             
             $data = curl_exec($curl);