Make `ip_is_lan` return bool instead of 0/-1.

This inverts the truthiness of the return value. Previously, 0 meant
`true` and -1 meant `false`. Now, `true` (1) means `true` and `false` (0)
means `false`.

1 files changed, 1 insertions, 1 deletions

diff --git a/toxcore/DHT.h b/toxcore/DHT.h
index ef3fd0b0..4a7af4c7 100644
--- a/toxcore/DHT.h
+++ b/toxcore/DHT.h
@@ -322,7 +322,7 @@ bool node_addable_to_close_list(DHT *dht, const uint8_t *public_key, IP_Port ip_
  *
  */
 int get_close_nodes(const DHT *dht, const uint8_t *public_key, Node_format *nodes_list, Family sa_family,
-                    uint8_t is_LAN, uint8_t want_good);
+                    bool is_LAN, uint8_t want_good);
 
 
 /* Put up to max_num nodes in nodes from the random friends.