f fix import

Author: TheBlueMatt

lightning-block-sync/src/gossip.rs

@@ -7,7 +7,7 @@ use crate::{AsyncBlockSourceResult, BlockData, BlockSource};
 use bitcoin::blockdata::transaction::{TxOut, OutPoint};
 use bitcoin::hash_types::BlockHash;
 
-use lightning::chain::keysinterface::NodeSigner;
+use lightning::sign::NodeSigner;
 
 use lightning::ln::peer_handler::{CustomMessageHandler, PeerManager, SocketDescriptor};
 use lightning::ln::msgs::{ChannelMessageHandler, OnionMessageHandler};