Removed unneccessary borrows to make clippy happy

Author: Azrenbeth

src/graphing.rs

@@ -65,7 +65,7 @@ pub fn make_graphs(before: &Graph, after: &Graph) {
     let mut after_nodes_file = File::create("after_nodes.csv").unwrap();
 
     // Write before's information to before_edges and before_nodes
-    output_csv(&before, &mut before_edges_file, &mut before_nodes_file);
+    output_csv(before, &mut before_edges_file, &mut before_nodes_file);
     // Write afters's information to after_edges and after_nodes
-    output_csv(&after, &mut after_edges_file, &mut after_nodes_file);
+    output_csv(after, &mut after_edges_file, &mut after_nodes_file);
 }

src/lib.rs

@@ -310,16 +310,16 @@ pub fn run(mut config: Config) {
         }
     }
 
-    check_that_maps_match(&state_group_map, &new_state_group_map);
+    check_that_maps_match(&state_group_map, new_state_group_map);
 
     // If we are given an output file, we output the changes as SQL. If the
     // `transactions` argument is set we wrap each change to a state group in a
     // transaction.
 
-    output_sql(&mut config, &state_group_map, &new_state_group_map);
+    output_sql(&mut config, &state_group_map, new_state_group_map);
 
     if config.graphs {
-        graphing::make_graphs(&state_group_map, &new_state_group_map);
+        graphing::make_graphs(&state_group_map, new_state_group_map);
     }
 }