[MTD] [MAPS] Fix printk format warning in nettel.c

MTD size is 64-bit now...

Pointed out by Randy Dunlap <randy.dunlap@oracle.com>

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
diff --git a/drivers/mtd/maps/nettel.c b/drivers/mtd/maps/nettel.c
index df68266..a97133e 100644
--- a/drivers/mtd/maps/nettel.c
+++ b/drivers/mtd/maps/nettel.c
@@ -357,8 +357,8 @@
 		*intel1par = 0;
 	}
 
-	printk(KERN_NOTICE "SNAPGEAR: Intel flash device size = %dK\n",
-		(intel_mtd->size >> 10));
+	printk(KERN_NOTICE "SNAPGEAR: Intel flash device size = %lldKiB\n",
+	       (unsigned long long)(intel_mtd->size >> 10));
 
 	intel_mtd->owner = THIS_MODULE;