fixed zip module setting

Fixed compile error with Titanium CLI below:

<pre>
[ERROR] Could not find all required Titanium Modules:
[ERROR]    id: zipfile	 version: 0.1.21	 platform: iphone	 deploy-type: test
</pre>

used Titanium Command-Line Interface, CLI version 3.0.24, Titanium SDK version 3.0.2.GA