nsd: Update to 4.2.1

Signed-off-by: Rosen Penev <rosenp@gmail.com>
(cherry picked from commit 6ba95fdac4)

net/nsd/patches/010-musl.patch

@@ -0,0 +1,10 @@
+--- a/nsd-control.c
++++ b/nsd-control.c
+@@ -42,6 +42,7 @@
+  */
+ 
+ #include "config.h"
++#include <stdio.h>
+ #ifdef HAVE_SSL
+ 
+ #include <sys/types.h>

net/nsd/patches/020-openssl.patch

@@ -0,0 +1,13 @@
+--- a/tsig.c
++++ b/tsig.c
+@@ -19,6 +19,10 @@
+ #include "query.h"
+ #include "rbtree.h"
+ 
++#ifndef HAVE_SSL
++#define CRYPTO_memcmp memcmp
++#endif
++
+ static region_type *tsig_region;
+ 
+ struct tsig_key_table