Merge pull request #1777 from FanDjango/master

Fix missing await and async in getreply async (specific to NOOP handl…

Author: FanDjango

FluentFTP/Client/BaseClient/GetReply.cs

@@ -355,13 +355,16 @@ async Task<FtpReply> IInternalFtpClient.GetReplyInternal(CancellationToken token
 if (exhaustNoop) {
 // tickle the server
 LogWithPrefix(FtpTraceLevel.Verbose, "Sending NOOP (<-GetReply)");
-m_stream.WriteLine(Encoding, "NOOP");
+await m_stream.WriteLineAsync(Encoding, "NOOP", token);
 LastCommandTimestamp = DateTime.UtcNow;
 }
 
 sw.Start();
 
 do {
+if (m_stream == null) {
+}
+
 if (useSema && !IsConnected) {
 throw new InvalidOperationException("No connection to the server exists.");
 }