r8002: favor addresses on our local interfaces in NBT name resolution if

possible. This is needed because w2k3 will return bogus IPs in its
name resolution replies when it has an unplugged network interface.

source/lib/netif/interface.c

@@ -353,3 +353,16 @@ const char *iface_best_ip(const char *dest)
 	}
 	return iface_n_ip(0);
 }
+
+/*
+  return True if an IP is one one of our local networks
+*/
+BOOL iface_is_local(const char *dest)
+{
+	struct in_addr ip;
+	ip.s_addr = interpret_addr(dest);
+	if (iface_find(ip, True)) {
+		return True;
+	}
+	return False;
+}