[DECNET]: Covert rules to use generic code

This patch converts the DECnet rules code to use the generic
rules system created by Thomas Graf <tgraf@suug.ch>.

Signed-off-by: Steven Whitehouse <steve@chygwyn.com>
Acked-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/decnet/Kconfig b/net/decnet/Kconfig
index 92f2ec4..36e72cb 100644
--- a/net/decnet/Kconfig
+++ b/net/decnet/Kconfig
@@ -27,6 +27,7 @@
 config DECNET_ROUTER
 	bool "DECnet: router support (EXPERIMENTAL)"
 	depends on DECNET && EXPERIMENTAL
+	select FIB_RULES
 	---help---
 	  Add support for turning your DECnet Endnode into a level 1 or 2
 	  router.  This is an experimental, but functional option.  If you