Update to 4.2.2

* Readd _OPENBSD_SOURCE explicitly to fix build on NetBSD 9

Changelog:
13 August 2019: Wouter
	- Fix error message for out of zone data to have more information.

12 August 2019: Wouter
	- Fix #33: Fix segfault in service of remaining streams on exit.

6 August 2019: Wouter
	- Tag for 4.2.2rc1.

5 August 2019: Wouter
	- PR #31: nsd-control: Add missing stdio header.
	- PR #32: tsig: Fix compilation without HAVE_SSL.
	- Cleanup tls context on xfrd exit.

31 July 2019: Wouter
	- Fix #29: SSHFP check NULL pointer dereference.
	- Fix #30: SSHFP check failure due to missing domain name.
	- Fix to timeval_add in minievent for remaining second in microseconds.

22 July 2019: Wouter
	- Set timeout for refetch immediately, only spread load when there
	  are retries.

19 July 2019: Wouter
	- Set no renegotiation on the SSL context to stop client
	  session renegotiation.

18 July 2019: Wouter
	- Fix #25: NSD doesn't refresh zones after extended downtime,
	  it refreshes the old zones, with a random delay of a couple of
	  seconds to spread the load.
	- Fix so that expired zones stay expired when server is down a
	  long time.

17 July 2019: Wouter
	- Fix that NSD warns for wrong length of the hash in SSHFP records.

15 July 2019: Wouter
	- PR #23: Fix typo in nsd.conf man-page.

4 July 2019: Wouter
	- Set version to 4.2.2 in development.
	- clean memory on exit of nsd-checkzone for memory debug.
	- Fix #20: CVE-2019-13207 Stack-based Buffer Overflow in the
	  dname_concatenate() function.  Reported by Frederic Cambus.
	  It causes the zone parser to crash on a malformed zone file,
	  with assertions enabled, an assertion catches it.
	- Fix #19: Out-of-bounds read caused by improper validation of
	  array index.  Reported by Frederic Cambus.  The zone parser
	  fails on type SIG because of mismatched definition with RRSIG.

2 July 2019: Wouter
	- Tag for 4.2.1rc1

27 June 2019: Wouter
	- Fix unit test for added options and no dot after zone updated
	  log message.
	- Fix compile without accept4.

21 June 2019: Wouter
	- Omit remaining tcp processing if the list is empty.
	- Fix output of nsd-checkconf -h.

20 June 2019: Wouter
	- Initialize event structures before event_set, to stop uninitialized
	  values from setting event library lists and assertions, that would
	  sometimes also show after event_del.
	- Added num.tls and num.tls6 stat counters.
	- PR #12: send-buffer-size, receive-buffer-size,
	  tcp-reject-overflow options for nsd.conf, from Jeroen Koekkoek.
	- Do not use symbol from libc, instead use own replacement, if not
	  available, for accept4.
	- Fix #14, tcp connections have 1/10 to be active and have to work
	  every second, and then they get time to complete during a reload,
	  this is a process that lingers with the old version during a version
	  update.

19 June 2019: Wouter
	- Fix tls handshake event callback function mistake, reported
	  by Mykhailo Danylenko.

18 June 2019: Wouter
	- Fix #15: crash in SSL library, initialize variables for TCP access
	  when TLS is configured.

14 June 2019: Wouter
	- Fix to init event not pointer, in reassignment.

12 June 2019: Wouter
	- Fix to init event structure for reassignment.

net/nsd/Makefile

@@ -1,6 +1,6 @@
-# $NetBSD: Makefile,v 1.104 2019/07/16 11:38:27 ryoon Exp $
+# $NetBSD: Makefile,v 1.105 2019/08/21 14:16:40 ryoon Exp $
 
-DISTNAME=	nsd-4.2.0
+DISTNAME=	nsd-4.2.2
 CATEGORIES=	net
 MASTER_SITES=	http://www.nlnetlabs.nl/downloads/nsd/
 
@@ -23,6 +23,11 @@ PKG_SUGGESTED_OPTIONS=	inet6
 USE_LANGUAGES=	c c++
 USE_LIBTOOL=	yes
 
+.if ${OPSYS} == "NetBSD"
+# For reallocarray(3) on NetBSD 9
+CPPFLAGS+=	-D_OPENBSD_SOURCE
+.endif
+
 GNU_CONFIGURE=	yes
 
 PKG_SYSCONFSUBDIR=	nsd

net/nsd/distinfo

@@ -1,7 +1,7 @@
-$NetBSD: distinfo,v 1.66 2019/06/13 13:21:40 ryoon Exp $
+$NetBSD: distinfo,v 1.67 2019/08/21 14:16:40 ryoon Exp $
 
-SHA1 (nsd-4.2.0.tar.gz) = b62d47588def467ca5af1b4155146dc08663243a
-RMD160 (nsd-4.2.0.tar.gz) = 4fd282844ec078baacfe621fdb5eab41678833f3
-SHA512 (nsd-4.2.0.tar.gz) = caa14fcd599ddc631cb74c3a56e571044dae1deb2fa9bd6b062f143954f9207b64b42ab5eab917360161f96bae8711df932f3e18b58be98b3f7b640071e7e807
-Size (nsd-4.2.0.tar.gz) = 1141796 bytes
+SHA1 (nsd-4.2.2.tar.gz) = b0a8a9765cbce402a7534f5aaa38cd0b1f21644f
+RMD160 (nsd-4.2.2.tar.gz) = fb83c39dfd5e5350871af67c7fc2629347bde740
+SHA512 (nsd-4.2.2.tar.gz) = 43e2ee980a11ed0ad521cc9d8be1e2d29fa8ab552bdda043ffa7e5bc71cf07ad49319629f71e93dcf1dabd315f93bcfb9fd8b5847f27b125cf151fb4f63779b2
+Size (nsd-4.2.2.tar.gz) = 1149182 bytes
 SHA1 (patch-aa) = d9a423d5faa8da9a213b21fd2712225ac9645091