[NETLABEL]: Fix build failure.

> the build with the attached .config failed, make ends with:
> ...
> : undefined reference to `cipso_v4_sock_getattr'
> net/built-in.o: In function `netlbl_socket_getattr':

...

It looks like I was stupid and made NetLabel depend on CONFIG_NET and not
CONFIG_INET, the patch below should fix this by making NetLabel depend on
CONFIG_INET and CONFIG_SECURITY. Please review and apply for 2.6.19.

Signed-off-by: Paul Moore <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

net/Kconfig

···
 if INET
 source "net/ipv4/Kconfig"
 source "net/ipv6/Kconfig"
+source "net/netlabel/Kconfig"
 
 endif # if INET
 
···
 
 config WIRELESS_EXT
 	bool
-
-source "net/netlabel/Kconfig"
 
 config FIB_RULES
 	bool

net/netlabel/Kconfig

···
 
 config NETLABEL
 	bool "NetLabel subsystem support"
-	depends on NET && SECURITY
+	depends on SECURITY
 	default n
 	---help---
 	  NetLabel provides support for explicit network packet labeling