Fix a typo in pub deps.

lib/src/command/deps.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library pub.command.list;
 
 import 'dart:collection';
 
 import '../ascii_tree.dart' as tree;
 import '../command.dart';
@@ skipping 137 matching lines @@
     // package.
     var toWalk = new Queue<Pair<Package, Map>>();
     var visited = new Set<String>.from([entrypoint.root.name]);
 
     // Start with the root dependencies.
     var packageTree = {};
     var immediateDependencies = entrypoint.root.immediateDependencies.toSet();
     if (!_includeDev) {
       immediateDependencies.removeAll(entrypoint.root.devDependencies);
     }
-    for (var dep in immediateDependenciesr) {
+    for (var dep in immediateDependencies) {
       toWalk.add(new Pair(_getPackage(dep.name), packageTree));
     }
 
     // Do a breadth-first walk to the dependency graph.
     while (toWalk.isNotEmpty) {
       var pair = toWalk.removeFirst();
       var package = pair.first;
       var map = pair.last;
 
       if (visited.contains(package.name)) {
@@ skipping 49 matching lines @@
   /// It's very unlikely that the lockfile won't be up-to-date with the pubspec,
   /// but it's possible, since [Entrypoint.assertUpToDate]'s modification time
   /// check can return a false negative. This fails gracefully if that happens.
   Package _getPackage(String name) {
     var package = entrypoint.packageGraph.packages[name];
     if (package != null) return package;
     dataError('The pubspec.yaml file has changed since the pubspec.lock file '
         'was generated, please run "pub get" again.');
   }
 }