[master] Added ChangeLog entry for #3269.

ChangeLog

@@ -1,3 +1,7 @@
+807.	[func]		marcin
+	DHCPv6 server responds to Confirm messages from clients.
+	(Trac #3269, git 4f43c309a994e30c07f5aa27057552fb195ec284)
+
 806.	[func]		marcin
 	DHCPv4 server processes Requested IP Address option (50).
 	(Trac #3320, git ad411a177a32bbe6a93f4baf813d985558c99e2f)