Ensure _.forIn works over objects with longer inheritance chains in IE < 9.

Former-commit-id: 226223454e71dd8cb6c38a543f1accd915eef3cb

build/pre-compile.js

@@ -11,6 +11,7 @@
     'argsIndex',
     'argsLength',
     'callback',
+    'className',
     'collection',
     'ctor',
     'guard',
@@ -18,15 +19,21 @@
     'index',
     'isArguments',
     'isArray',
+    'isProto',
     'isString',
     'iterable',
+    'iterated',
     'length',
     'keys',
     'lodash',
+    'nonEnum',
+    'nonEnumProps',
     'object',
+    'objectRef',
     'objectTypes',
     'ownIndex',
     'ownProps',
+    'proto',
     'result',
     'skipProto',
     'source',