staging: unisys: visornic: Correct comment spelling mistake

Fixes a comment spelling mistake in visornic.
Signed-off-by: David Binder <david.binder@unisys.com>
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <Timothy.Sell@unisys.com>
Acked-By: Neil Horman <nhorman@tuxdriver.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/unisys/visornic/visornic_main.c

@@ -1586,7 +1586,7 @@ drain_resp_queue(struct uiscmdrsp *cmdrsp, struct visornic_devdata *devdata)
  *
  *	Drain the respones queue of any responses from the IO partition.
  *	Process the responses as we get them.
- *	Returns when response queue is empty or when the threadd stops.
+ *	Returns when response queue is empty or when the thread stops.
  */
 static void
 service_resp_queue(struct uiscmdrsp *cmdrsp, struct visornic_devdata *devdata,