minchars. (fhandler_serial::ioctl): Set errno if the ClearCommError fails. (fhandler_serial::tcsetattr): Use correct value for vmin_. (fhandler_serial::tcgetattr): Ditto.
minchars. (fhandler_serial::ioctl): Set errno if the ClearCommError fails. (fhandler_serial::tcsetattr): Use correct value for vmin_. (fhandler_serial::tcgetattr): Ditto.