staging: unisys: visornic: Fix repeated words in comments

This patch removes some repeated words in code comments.
Signed-off-by: NKlemen Košir <klemen.kosir@kream.io>
Link: https://lore.kernel.org/r/20210303090134.16007-1-klemen.kosir@kream.ioSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/unisys/visornic/visornic_main.c

@@ -532,7 +532,7 @@ static int visornic_disable_with_timeout(struct net_device *netdev,
 		return err;
 
 	/* wait for ack to arrive before we try to free rcv buffers
-	 * NOTE: the other end automatically unposts the rcv buffers when
+	 * NOTE: the other end automatically unposts the rcv buffers
 	 * when it gets a disable.
 	 */
 	spin_lock_irqsave(&devdata->priv_lock, flags);