[master] Added entry 602.

ChangeLog

+602.	[bug]		tmark
+	Perdhcp will now exit gracefully if the command line argument for IP version
+	(-4 or -6) does not match the command line argument given for the server.
+	Prior to this perfdhcp would core when given an IP version of -6 but a valid
+	IPv4 address for server.
+	(Trac #2784, git 96b66c0c79dccf9a0206a45916b9b23fe9b94f74)
+
 601.	[bug]*		jinmei, vorner
 	The "delete record" interface of the database based data source
 	was extended do that the parameter includes reversed name in