tx logging: fix potential missed logging issue

Wrong scope of proto_logged variable could potentially lead to
incrementing logged tx id w/o actually being logged.

Reported-By: Jason Ish

src/output-tx.c

@@ -125,10 +125,10 @@ static TmEcode OutputTxLog(ThreadVars *tv, Packet *p, void *thread_data, PacketQ
     int tx_progress_done_value_tc =
         AppLayerParserGetStateProgressCompletionStatus(p->proto, alproto,
                                                        STREAM_TOCLIENT);
-    int proto_logged = 0;
-
     for (; tx_id < total_txs; tx_id++)
     {
+        int proto_logged = 0;
+
         void *tx = AppLayerParserGetTx(p->proto, alproto, alstate, tx_id);
         if (tx == NULL) {
             SCLogDebug("tx is NULL not logging");