wl18xx: avoid some -Wformat warnings

  CC      drivers/net/wireless/ti/wl18xx/main.o
drivers/net/wireless/ti/wl18xx/main.c: In function ‘wl18xx_conf_init’:
drivers/net/wireless/ti/wl18xx/main.c:1024:3: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long unsigned int’ [-Wformat]
drivers/net/wireless/ti/wl18xx/main.c:1024:3: warning: format ‘%d’ expects argument of type ‘int’, but argument 3 has type ‘size_t’ [-Wformat]
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

drivers/net/wireless/ti/wl18xx/main.c

@@ -1022,7 +1022,8 @@ static int wl18xx_conf_init(struct wl1271 *wl, struct device *dev)
 
 	if (fw->size != WL18XX_CONF_SIZE) {
 		wl1271_error("configuration binary file size is wrong, "
-			     "expected %d got %d", WL18XX_CONF_SIZE, fw->size);
+			     "expected %ld got %zd",
+			     WL18XX_CONF_SIZE, fw->size);
 		ret = -EINVAL;
 		goto out;
 	}