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, 2 insertions, 2 deletions

diff --git a/toxcore/onion_announce.c b/toxcore/onion_announce.c
index b7fdb5f7..f38772dd 100644
--- a/toxcore/onion_announce.c
+++ b/toxcore/onion_announce.c
@@ -412,8 +412,8 @@ static int handle_announce_request(void *object, IP_Port source, const uint8_t *
 
     /*Respond with a announce response packet*/
     Node_format nodes_list[MAX_SENT_NODES];
-    unsigned int num_nodes = get_close_nodes(onion_a->dht, plain + ONION_PING_ID_SIZE, nodes_list, net_family_unspec,
-                             ip_is_lan(source.ip) == 0, 1);
+    unsigned int num_nodes =
+        get_close_nodes(onion_a->dht, plain + ONION_PING_ID_SIZE, nodes_list, net_family_unspec, ip_is_lan(source.ip), 1);
     uint8_t nonce[CRYPTO_NONCE_SIZE];
     random_nonce(nonce);