add finished time for message with exception. This is to fix presenta…

…tion of last execution time

src/kx/KConnection.java

@@ -257,6 +257,7 @@ public void run() {
                     IOException io = e instanceof IOException ?
                             (IOException) e : new IOException("Exception in message deserialization", e);
                     message = new KMessage(io);
+                    message.setFinished(K.KTimestamp.now());
                     lockRead.notifyAll();
                 }
                 close();