It helps showing ssdp protocol ports in minidlna diagnostics.
Also avoid overwrite imported name 'firewall'.
Tested that ssdp port 1900 is shown in the minidlna diagnostics page.
Signed-off-by: Veiko Aasa <veiko17@disroot.org>
Reviewed-by: Sunil Mohan Adapa <sunil@medhas.org>