Fix missing template definition in company_settings.

src/table/company_settings.ini

@@ -20,6 +20,7 @@ static const SettingDesc _company_settings[] = {
 [templates]
 SDT_BOOL = SDT_BOOL($base, $var,        $flags, $guiflags, $def,                        $str, $strhelp, $strval, $proc, $from, $to, $cat, $extver, NULL),
 SDT_VAR  =  SDT_VAR($base, $var, $type, $flags, $guiflags, $def, $min, $max, $interval, $str, $strhelp, $strval, $proc, $from, $to, $cat, $extver, NULL),
+SDT_NULL =  SDT_NULL($length, $from, $to, $extver),
 SDT_END  = SDT_END()
 
 [defaults]