make sure the last output message is sent

external/mesytec-mvlc

@@ -1 +1 @@
-Subproject commit c04c2114583d3f067e4f95036c3d2b805a423073
+Subproject commit 8edc5890087e9794175013fbc5658c95fe0624b3

src/mvlc_nng_replay.cc

@@ -554,6 +554,23 @@ void listfile_parser_nng(
         }
     }
 
+    if (parserContext.outputMessage)
+    {
+        const auto msgSize = nng_msg_len(parserContext.outputMessage);
+
+        if (auto res = send_message_retry(outputSocket, parserContext.outputMessage, 0, "listfile_parser_nng"))
+        {
+            nng_msg_free(parserContext.outputMessage);
+            parserContext.outputMessage = nullptr;
+            spdlog::error("listfile_parser_nng: send_message_retry: {}:", nng_strerror(res));
+        }
+
+        parserContext.outputMessage = nullptr;
+
+        spdlog::debug("listfile_parser_nng: sent message {} of size {}",
+            outputMessageNumber, msgSize);
+    }
+
     if (inputMsg)
     {
         nng_msg_free(inputMsg);