[PATCH] Replace incorrect macro name "WIRELESS_EXT" with "CONFIG_WIRELESS_EXT"

Rename the (apparently) incorrect macro name WIRELESS_EXT to
CONFIG_WIRELESS_EXT.
Signed-off-by: NRobert P. J. Day <rpjday@mindspring.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

net/core/net-sysfs.c

@@ -329,7 +329,7 @@ static struct attribute_group netstat_group = {
 	.attrs  = netstat_attrs,
 };
 
-#ifdef WIRELESS_EXT
+#ifdef CONFIG_WIRELESS_EXT
 /* helper function that does all the locking etc for wireless stats */
 static ssize_t wireless_show(struct class_device *cd, char *buf,
 			     ssize_t (*format)(const struct iw_statistics *,
@@ -462,7 +462,7 @@ int netdev_register_sysfs(struct net_device *net)
 	if (net->get_stats)
 		*groups++ = &netstat_group;
 
-#ifdef WIRELESS_EXT
+#ifdef CONFIG_WIRELESS_EXT
 	if (net->wireless_handlers && net->wireless_handlers->get_wireless_stats)
 		*groups++ = &wireless_group;
 #endif