Merge pull request #169 from andrei-21/fix-arc-clone-typos

Fix `Arc::clone()` typos

Author: jkczyz

docs/tutorials/build_a_node_in_rust.md

@@ -506,7 +506,7 @@ let network_graph = Arc::new(NetworkGraph::new(genesis_hash))
 let net_graph_msg_handler = Arc::new(NetGraphMsgHandler::new(
 	Arc::clone(&network_graph),
 	None::<Arc<dyn chain::Access + Send + Sync>>,
-	Arc:clone(&logger),
+	Arc::clone(&logger),
 ));
 ```
 
@@ -716,7 +716,7 @@ let scorer = Arc::new(Mutex::new(ProbabilisticScorer::new(params, Arc::clone(&ne
 **What it's used for:** to create an invoice payer that retries failed payment paths.
 
 ```rust
-let router = DefaultRouter::new(Arc:clone(&network_graph), &logger, keys_manager.get_secure_random_bytes());
+let router = DefaultRouter::new(Arc::clone(&network_graph), &logger, keys_manager.get_secure_random_bytes());
 
 let invoice_payer = InvoicePayer::new(
 	Arc::clone(&channel_manager),
@@ -781,8 +781,8 @@ let background_processor = BackgroundProcessor::start(
 	Arc::clone(&chain_monitor),
 	Arc::clone(&channel_manager),
 	Arc::clone(&net_graph_msg_handler),
-	Arc:clone(&peer_manager),
-	Arc:clone(&logger),
+	Arc::clone(&peer_manager),
+	Arc::clone(&logger),
 );
 ```