Add ftp port for service

Author: void-in

modules/auxiliary/scanner/http/titan_ftp_admin_pwd.rb

@@ -91,7 +91,7 @@ def run_host(ip)
       print_good("#{ip}:#{datastore['RPORT']} - Admin Credentials: '#{info[:username]}:#{info[:password]}'")
       report_cred(
         ip: ip,
-        port: datastore['RPORT'],
+        port: 21,
         user: info[:username],
         password: info[:password],
         service_name: 'ftp'