[master] updated git hash

ChangeLog

@@ -2,7 +2,7 @@
 	Renamed the DHCP-DDNS constant INVALID_SOCKET to SOCKET_NOT_VALID
 	to avoid conflicting with a constant of that name defined on some
 	operating systems.
-	(Trac #3861, git xxx)
+	(Trac #3861, git 28205225ceed03ff3126e43cd06cedbaa7d8d657)
 
 933.	[func]*		marcin
 	DHCPv4 server by default identifies a client using the