[MTD] Fix printk format error in gen_probe.c

Signed-off-by: David Woodhouse <dwmw2@infradead.org>

drivers/mtd/chips/gen_probe.c

@@ -39,7 +39,7 @@ struct mtd_info *mtd_do_chip_probe(struct map_info *map, struct chip_probe *cp)
 
 	if (mtd) {
 		if (mtd->size > map->size) {
-			printk(KERN_WARNING "Reducing visibility of %lKiB chip to %lKiB\n",
+			printk(KERN_WARNING "Reducing visibility of %ldKiB chip to %ldKiB\n",
 			       (unsigned long)mtd->size >> 10, 
 			       (unsigned long)map->size >> 10);
 			mtd->size = map->size;