f initialize chain_tip, though it doesn't matter much

Author: TheBlueMatt

lightning-c-bindings/demo.c

@@ -73,6 +73,7 @@ int main() {
 
 	LDKUserConfig config = UserConfig_default();
 	LDKThirtyTwoBytes chain_tip;
+	memset(&chain_tip, 0, 32);
 	LDKChainParameters chain = ChainParameters_new(net, chain_tip, 0);
 	LDKChannelManager cm = ChannelManager_new(fee_est, mon, broadcast, logger, keys_source, config, chain);