bind: Update to 9.9.8-P4 to resolve CVE-2016-1285 and CVE-2016-1286

Signed-off-by: Noah Meyerhans <frodo@morgul.net>

net/bind/Makefile

@@ -9,7 +9,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=bind
-PKG_VERSION:=9.9.8-P3
+PKG_VERSION:=9.9.8-P4
 PKG_RELEASE:=2
 USERID:=bind=57:bind=57
 
@@ -20,7 +20,7 @@ PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:= \
 	ftp://ftp.isc.org/isc/bind9/$(PKG_VERSION) \
 	http://www.mirrorservice.org/sites/ftp.isc.org/isc/bind9/$(PKG_VERSION)
-PKG_MD5SUM:=30b9bf88a78eee783d3fef5257445788
+PKG_MD5SUM:=5e401f6cf024f596044d733ceb0d6415
 
 PKG_FIXUP:=autoreconf
 PKG_REMOVE_FILES:=aclocal.m4 libtool.m4