[PATCH] net/: fix the WIRELESS_EXT abuse

This patch contains the following changes:
- add a CONFIG_WIRELESS_EXT select'ed by NET_RADIO for conditional
  code
- remove the now no longer required #ifdef CONFIG_NET_RADIO from some
  #include's

Based on a patch by Jean Tourrilhes <jt@hpl.hp.com>.

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/Kconfig b/drivers/net/wireless/Kconfig
index 233a4f6..9ccfec5 100644
--- a/drivers/net/wireless/Kconfig
+++ b/drivers/net/wireless/Kconfig
@@ -6,7 +6,8 @@
 	depends on NETDEVICES
 
 config NET_RADIO
-	bool "Wireless LAN drivers (non-hamradio) & Wireless Extensions"
+	bool "Wireless LAN drivers (non-hamradio)"
+	select WIRELESS_EXT
 	---help---
 	  Support for wireless LANs and everything having to do with radio,
 	  but not with amateur radio or FM broadcasting.