Canonize boolean ini_get() results (#1489189)

Aleksander Machniak

2013-06-20 39b905b7a8abafe57f5429952db390a97ffa047f

 program/lib/Roundcube/rcube.php

@@ -1487,7 +1487,7 @@
                    $subject    = str_replace("\r\n", $delim, $subject);
                }

                if (ini_get('safe_mode'))
                if (filter_var(ini_get('safe_mode'), FILTER_VALIDATE_BOOLEAN))
                    $sent = mail($to, $subject, $msg_body, $header_str);
                else
                    $sent = mail($to, $subject, $msg_body, $header_str, "-f$from");