Log Message:
Update bind99 package to 9.9.8pl4 (BIND 9.9.8-P4).

	--- 9.9.8-P4 released ---

4319.	[security]	Fix resolver assertion failure due to improper
			DNAME handling when parsing fetch reply messages.
			(CVE-2016-1286) [RT #41753]

4318.	[security]	Malformed control messages can trigger assertions
			in named and rndc. (CVE-2016-1285) [RT #41666]