dns/udns: unbreak build on 14-CURRENT

Fix detection of inet_pton() and inet_ntop()

dns/udns/Makefile

@@ -1,6 +1,6 @@
 PORTNAME=	udns
 PORTVERSION=	0.4
-PORTREVISION=	1
+PORTREVISION=	2
 CATEGORIES=	dns
 MASTER_SITES=	http://www.corpit.ru/mjt/udns/
 

dns/udns/files/patch-configure

@@ -0,0 +1,27 @@
+--- configure.orig	2023-02-24 09:54:25 UTC
++++ configure
+@@ -83,17 +83,20 @@ else
+ fi
+ 
+ ac_ign \
+- ac_yesno "for inet_pton() && inet_ntop()" \
++ ac_yesno "for working inet_pton() && inet_ntop()" \
+  ac_have INET_PTON_NTOP \
+  ac_link <<EOF
+ #include <sys/types.h>
+ #include <sys/socket.h>
+ #include <arpa/inet.h>
++#include <string.h>
+ int main() {
++  char addr[sizeof(struct in_addr)];
+   char buf[64];
+-  long x = 0;
+-  inet_pton(AF_INET, &x, buf);
+-  return inet_ntop(AF_INET, &x, buf, sizeof(buf));
++  char *localhost = "127.0.0.1";
++  inet_pton(AF_INET, localhost, addr);
++  inet_ntop(AF_INET, addr, buf, sizeof(buf));
++  return strncmp(localhost, buf, sizeof(localhost));
+ } 
+ EOF
+