Ntopng GeoIP fix

# /usr/local/pkg/ntopng.inc
function ntopng_update_geoip() {
 global $config;
 $curlcmd = "/usr/local/bin/curl";
 $geolite_city = "https://download.maxmind.com/app/geoip_download?edition_id=GeoLite2-City&license_key=CHANGE_ME&suffix=tar.gz";
 $geoip_asnum = "https://download.maxmind.com/app/geoip_download?edition_id=GeoLite2-ASN&license_key=CHANGE_ME&suffix=tar.gz";

 $output_dir_city = "/usr/local/share/ntopng/GeoCity.tar.gz";
 $output_dir_asn = "/usr/local/share/ntopng/GeoASN.tar.gz";

 mwexec("{$curlcmd} --output {$output_dir_city} \"{$geolite_city}\"");
 mwexec("{$curlcmd} --output {$output_dir_asn} \"{$geoip_asnum}\"");
 ntopng_fixup_geoip();

 /* Do not (re)start services on package (re)install, only on manual GeoIP updates via the GUI */
 if ($_POST['Submit'] == "Update GeoIP Data") {
    init_config_arr(array('installedpackages', 'ntopng', 'config', 0));
    $ntopng_config = $config['installedpackages']['ntopng']['config'][0];
    ntopng_services_stop();
    if ($ntopng_config['enable'] == "on") {
     start_service("ntopng");
    }
  }
}