use AI_ADDRCONFIG if defined in the environment

libraries/libldap/os-ip.c

@@ -594,8 +594,7 @@ ldap_connect_to_host(LDAP *ld, Sockbuf *sb,
 
 #if defined( HAVE_GETADDRINFO ) && defined( HAVE_INET_NTOP )
 	memset( &hints, '\0', sizeof(hints) );
-#ifdef USE_AI_ADDRCONFIG /* FIXME: configure test needed */
-	/* Use AI_ADDRCONFIG only on systems where its known to be needed. */
+#ifdef AI_ADDRCONFIG
 	hints.ai_flags = AI_ADDRCONFIG;
 #endif
 	hints.ai_family = ldap_int_inet4or6;