f make comparison a bit more readable

Author: TheBlueMatt

lightning/src/routing/router.rs

@@ -151,9 +151,9 @@ struct RouteGraphNode {
 
 impl cmp::Ord for RouteGraphNode {
 	fn cmp(&self, other: &RouteGraphNode) -> cmp::Ordering {
-		cmp::max(other.lowest_fee_to_peer_through_node, other.path_htlc_minimum_msat)
-			.cmp(&cmp::max(self.lowest_fee_to_peer_through_node, self.path_htlc_minimum_msat))
-			.then_with(|| other.pubkey.serialize().cmp(&self.pubkey.serialize()))
+		let other_score = cmp::max(other.lowest_fee_to_peer_through_node, other.path_htlc_minimum_msat);
+		let self_score = cmp::max(self.lowest_fee_to_peer_through_node, self.path_htlc_minimum_msat);
+		other_score.cmp(&self_score).then_with(|| other.pubkey.serialize().cmp(&self.pubkey.serialize()))
 	}
 }