Add missing space in log entry between text and number

Author: TheBlueMatt

lightning/src/chain/channelmonitor.rs

@@ -1795,7 +1795,7 @@ impl<Signer: Sign> ChannelMonitorImpl<Signer> {
 					height,
 					event: OnchainEvent::HTLCUpdate { source: $source, payment_hash: $payment_hash },
 				};
-				log_trace!(logger, "Failing HTLC with payment_hash {} from {} holder commitment tx due to broadcast of transaction, waiting confirmation (at height{})", log_bytes!($payment_hash.0), $commitment_tx, entry.confirmation_threshold());
+				log_trace!(logger, "Failing HTLC with payment_hash {} from {} holder commitment tx due to broadcast of transaction, waiting confirmation (at height {})", log_bytes!($payment_hash.0), $commitment_tx, entry.confirmation_threshold());
 				self.onchain_events_awaiting_threshold_conf.push(entry);
 			}
 		}