Fix getaddrinfo() in pgport to use proper parameters, as detected by

Win32 buildfarm members.

src/port/getaddrinfo.c

@@ -390,7 +390,7 @@ getnameinfo(const struct sockaddr * sa, int salen,
 	{
 		if (sa->sa_family == AF_INET)
 		{
-			if (inet_net_ntop(AF_INET, ((struct sockaddr_in *) sa)->sin_addr,
+			if (inet_net_ntop(AF_INET, &((struct sockaddr_in *) sa)->sin_addr,
 				sa->sa_family == AF_INET ? 32 : 128,
 				node, nodelen) == NULL)
 			return EAI_MEMORY;