staging: usbip: Fix typo in printed text

Signed-off-by: Christopher Harvey <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/staging/usbip/vhci_rx.c

···
 		 * already received the result of its submit result and gave
 		 * back the URB.
 		 */
-		pr_info("the urb (seqnum %d) was already given backed\n",
+		pr_info("the urb (seqnum %d) was already given back\n",
 			pdu->base.seqnum);
 	} else {
 		usbip_dbg_vhci_rx("now giveback urb %p\n", urb);