use -1 rather than ~0 in unsigned integer types

Using ~0 involves a bitwise operation on int, so depends on
the internal representation of signed integers.

1 files changed, 1 insertions, 1 deletions

diff --git a/toxcore/DHT.c b/toxcore/DHT.c
index 79925552..8603b9c0 100644
--- a/toxcore/DHT.c
+++ b/toxcore/DHT.c
@@ -247,7 +247,7 @@ static unsigned int bit_by_bit_cmp(const uint8_t *pk1, const uint8_t *pk2)
 void get_shared_key(const Mono_Time *mono_time, Shared_Keys *shared_keys, uint8_t *shared_key,
                     const uint8_t *secret_key, const uint8_t *public_key)
 {
-    uint32_t num = ~0;
+    uint32_t num = -1;
     uint32_t curr = 0;
 
     for (uint32_t i = 0; i < MAX_KEYS_PER_SLOT; ++i) {