adding fmt display in logging

Author: Sharmalm

lightning/src/onion_message/messenger.rs

@@ -519,7 +519,7 @@ where
 
 		log_trace!(self.logger , "Sending onion message: {}", message);
 
-		let (introduction_node_id, onion_msg) = Self::create_onion_message(
+		let (introduction_node_id, onion_msg) = create_onion_message(
 			&self.entropy_source, &self.node_signer, &self.secp_ctx,
 			path, message, reply_path
 		)?;