Fix a typo in pub deps.

lib/src/command/deps.dart

Index: lib/src/command/deps.dart
diff --git a/lib/src/command/deps.dart b/lib/src/command/deps.dart
index caf8141a3e16b0400bb302a6764856344781486e..4de2604f4f7face6a8d3cae8406136ba4d5d60aa 100644
--- a/lib/src/command/deps.dart
+++ b/lib/src/command/deps.dart
@@ -155,7 +155,7 @@ class DepsCommand extends PubCommand {
     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));
     }