net: usb: Fix typo in code

Remove the repeated ';' from code.

Signed-off-by: Li kunyu <kunyu@nfschina.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/usb/catc.c

@@ -781,7 +781,7 @@ static int catc_probe(struct usb_interface *intf, const struct usb_device_id *id
 			intf->altsetting->desc.bInterfaceNumber, 1)) {
 		dev_err(dev, "Can't set altsetting 1.\n");
 		ret = -EIO;
-		goto fail_mem;;
+		goto fail_mem;
 	}
 
 	netdev = alloc_etherdev(sizeof(struct catc));