Add CHANGES entry

4973.	[func]		verifyzone() and the functions it uses were moved to
			libdns and refactored to prevent exit() from being
			called upon failure.  A side effect of that is that
			dnssec-signzone and dnssec-verify now check for memory
			leaks upon shutdown. [GL #266]

CHANGES

+4973.	[func]		verifyzone() and the functions it uses were moved to
+			libdns and refactored to prevent exit() from being
+			called upon failure.  A side effect of that is that
+			dnssec-signzone and dnssec-verify now check for memory
+			leaks upon shutdown. [GL #266]
+
 4972.	[func]		Declare the 'rdata' argument for dns_rdata_tostruct()
 			to be const. [GL #341]