Bug 1606: Failure when processing FileTransferProgress event

https://winscp.net/tracker/1606

Source commit: 0bb3a07508d99327a332ea20bb07977629fc065b

source/windows/ConsoleRunner.cpp

@@ -940,6 +940,7 @@ void __fastcall TExternalConsole::Progress(TScriptProgress & Progress)
   CommStruct = GetCommStruct();
   try
   {
+    ProgressEvent = CommStruct->ProgressEvent;
     Progress.Cancel = ProgressEvent.Cancel;
   }
   __finally