[IPV6] ROUTE: Add credits about subtree fixes.

Based on MIPL2 kernel patch.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/ipv6/ip6_fib.c

@@ -18,6 +18,7 @@
  * 	Yuji SEKIYA @USAGI:	Support default route on router node;
  * 				remove ip6_null_entry from the top of
  * 				routing table.
+ * 	Ville Nuorvala:		Fixed routing subtrees.
  */
 #include <linux/errno.h>
 #include <linux/types.h>

net/ipv6/route.c

@@ -22,6 +22,8 @@
  *		routers in REACHABLE, STALE, DELAY or PROBE states).
  *		- always select the same router if it is (probably)
  *		reachable.  otherwise, round-robin the list.
+ *	Ville Nuorvala
+ *		Fixed routing subtrees.
  */
 
 #include <linux/capability.h>