[NET] rules: Protocol independant mark selector

Move mark selector currently implemented per protocol into
the protocol independant part.

Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/fib_rules.h b/include/linux/fib_rules.h
index 4418c8d..adcdfbd 100644
--- a/include/linux/fib_rules.h
+++ b/include/linux/fib_rules.h
@@ -34,7 +34,7 @@
 	FRA_UNUSED3,
 	FRA_UNUSED4,
 	FRA_UNUSED5,
-	FRA_FWMARK,	/* netfilter mark */
+	FRA_FWMARK,	/* mark */
 	FRA_FLOW,	/* flow/class id */
 	FRA_UNUSED6,
 	FRA_UNUSED7,