[PATCH] USB: usbnet printk warning fix

On ppc64:

drivers/usb/net/usbnet.c: In function `skb_return':
drivers/usb/net/usbnet.c:429: warning: int format, different type arg (arg 3)
drivers/usb/net/usbnet.c:429: warning: int format, different type arg (arg 3)
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff -puN drivers/usb/net/usbnet.c~usbnet-printk-warning-fix drivers/usb/net/usbnet.c

drivers/usb/net/usbnet.c

@@ -426,7 +426,7 @@ static void skb_return (struct usbnet *dev, struct sk_buff *skb)
 	dev->stats.rx_bytes += skb->len;
 
 	if (netif_msg_rx_status (dev))
-		devdbg (dev, "< rx, len %d, type 0x%x",
+		devdbg (dev, "< rx, len %zd, type 0x%x",
 			skb->len + sizeof (struct ethhdr), skb->protocol);
 	memset (skb->cb, 0, sizeof (struct skb_data));
 	status = netif_rx (skb);