[master] Amended entry #918 to mention #3708.

ChangeLog

@@ -1,6 +1,7 @@
 918.	[func]		tomek,tmark
 	DHCPv6 server now supports static reservations of hostnames
-	for clients.
+	for clients.  Note this resolves #3708 by reducing the number
+	of calls to selectSubnet to once per client request.
 	(Trac #3689 git c13c824d9948f7e3f71a65ed43798f3b5c14042c)
 
 917.	[bug]		marcin