[master] Added ChangeLog entry for #4258.

ChangeLog

@@ -1,3 +1,8 @@
+1168.	[doc]		marcin
+	Corrected location of the Kea repository in the Kea Administrator
+	Reference Manual.
+	(Trac #4258, git f081000b892287316e54848ca1f62ca3512d4263)
+
 1167.	[func]		marcin
 	DHCP servers utilize client classes defined in host reservations.
 	(Trac #4765, git 242fbc47b31da404e57be458ac065f811084cca9)