Add a check that we don't have any unused functions.

This check puts all of our code in a C++ anonymous namespace, which is
effectively making all functions `static`. This allows the compiler to
determine that a function is unused, so we can delete it.

1 files changed, 1 insertions, 1 deletions

diff --git a/toxcore/LAN_discovery.api.h b/toxcore/LAN_discovery.api.h
index 5c25b67b..ad3d60ed 100644
--- a/toxcore/LAN_discovery.api.h
+++ b/toxcore/LAN_discovery.api.h
@@ -21,7 +21,7 @@ namespace lan_discovery {
 /**
  * Interval in seconds between LAN discovery packet sending.
  */
-const INTERVAL = 10;
+#define LAN_DISCOVERY_INTERVAL         10
 
 /**
  * Send a LAN discovery pcaket to the broadcast address with port port.