Audit requires CONFIG_NET

Audit now actually requires netlink.  So make it depend on CONFIG_NET, 
and remove the inline dependencies on CONFIG_NET.

Signed-off-by: Chris Wright <chrisw@osdl.org>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
diff --git a/init/Kconfig b/init/Kconfig
index 7054976..448939d 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -164,6 +164,7 @@
 
 config AUDIT
 	bool "Auditing support"
+	depends on NET
 	default y if SECURITY_SELINUX
 	help
 	  Enable auditing infrastructure that can be used with another