Fix netmail flags for netmails originating here

app/Classes/FTN/Process/Netmail/Ping.php

@@ -53,7 +53,7 @@ final class Ping extends Process
 		$o->replyid = $msg->msgid;
 		$o->fftn_id = $ftns->id;
 		$o->tftn_id = ($x=$msg->fftn_o) ? $x->id : NULL;
-		$o->flags = Message::FLAG_LOCAL;
+		$o->flags = Message::FLAG_LOCAL|Message::FLAG_PRIVATE;
 		$o->cost = 0;
 
 		$o->msg = static::format_msg($reply,self::$logo);