Preserve the editor buffer when rmanager is in "machine on" mode.

git-svn-id: http://voip.null.ro/svn/yate@4143 acf43c95-373e-0410-b603-e72c3f656dc1

modules/rmanager.cpp

@@ -1250,7 +1250,11 @@ void Connection::writeStr(const Message &msg, bool received)
 	return;
     String s = msg.encode(received,"");
     s << "\r\n";
+    if (m_echoing && m_buffer)
+	clearLine();
     writeStr(s.c_str());
+    if (m_echoing && m_buffer)
+	writeStr(m_buffer);
 }
 
 // write debugging messages to the remote console