libbb: conditionalize AF_* usage in error reporting

Signed-off-by: Jeremie Koenig <jk@jk.fr.eu.org>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

libbb/xfuncs_printf.c

@@ -387,8 +387,12 @@ int FAST_FUNC xsocket(int domain, int type, int protocol)
 		/* Hijack vaguely related config option */
 #if ENABLE_VERBOSE_RESOLUTION_ERRORS
 		const char *s = "INET";
+# ifdef AF_PACKET
 		if (domain == AF_PACKET) s = "PACKET";
+# endif
+# ifdef AF_NETLINK
 		if (domain == AF_NETLINK) s = "NETLINK";
+# endif
 IF_FEATURE_IPV6(if (domain == AF_INET6) s = "INET6";)
 		bb_perror_msg_and_die("socket(AF_%s,%d,%d)", s, type, protocol);
 #else