[style] comply to clippy v0.0.212

lib/dubp/wot/operations/path.rs

@@ -53,15 +53,19 @@ impl<T: WebOfTrust> PathFinder<T> for RustyPathFinder {
 
             for node in border {
                 for source in &wot.get_links_source(node).unwrap() {
-                    if graph[source.0].0 > distance {
+                    match graph[source.0].0 {
+                        path_distance if path_distance > distance => {
                             // shorter path, we replace
                             graph[source.0] = (distance, vec![node]);
                             next_border.insert(*source);
-                    } else if graph[source.0].0 == distance {
+                        }
+                        path_distance if path_distance == distance => {
                             // same length, we combine
                             graph[source.0].1.push(node);
                             next_border.insert(*source);
                         }
+                        _ => unreachable!(),
+                    }
                 }
             }