Problem appears since zabbix upgrade from 6.0.9 to 6.0.25

Steps to reproduce:

1. Add a web scenario to check a ftp url like this : 
2. URL : ftp://login:[email protected]
3. Check response code 226
4. 

Result:
error in the check :

Protocol "ftp" not supported or disabled in libcurl

Expected:

Should work like on 6.0.9