wireless: Make COMPAT_NETLINK_MESSAGES depend upon WEXT_CORE

WIRELESS_EXT is not the correct dependency.
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/Kconfig

@@ -32,7 +32,7 @@ config WANT_COMPAT_NETLINK_MESSAGES
 config COMPAT_NETLINK_MESSAGES
 	def_bool y
 	depends on COMPAT
-	depends on WIRELESS_EXT || WANT_COMPAT_NETLINK_MESSAGES
+	depends on WEXT_CORE || WANT_COMPAT_NETLINK_MESSAGES
 	help
 	  This option makes it possible to send different netlink messages
 	  to tasks depending on whether the task is a compat task or not. To