staging: wilc1000: remove redundant check in wilc_mq_recv

At the beginning of wilc_mq_recv, it is checked if pHandle->bExiting is
false or true. There is no need to check it again at the middle of this
function. So just remove it.

Signed-off-by: Chaehyun Lim <chaehyun.lim@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>