struct needs to match the order in base. (We can't just directly use
netdb.h from base because it is missing things that libbind wants).

Index: include/netdb.h
--- include/netdb.h.orig
+++ include/netdb.h
@@ -182,7 +182,7 @@ struct	addrinfo {
 #else
 	size_t		ai_addrlen;	/*%< length of ai_addr */
 #endif
-#ifdef __linux
+#if defined(__linux) || defined(__OpenBSD__)
 	struct sockaddr	*ai_addr; 	/*%< binary address */
 	char		*ai_canonname;	/*%< canonical name for hostname */
 #else