title: Error adding SSZipArchive to a project in Xcode 5.1.1
body: <p>I'm getting many errors trying to add it.
  Now is telling me this when compiling:</p>
  
  <pre><code>"Semantic issue: conflicting types for 'time' in crypt.h"
  Implicit declaration of function 'time' in C99
  </code></pre>
  
  <p>Images (I can't post them): </p>
  
  <p><a href="https://imgur.com/ym6qwVv" rel="nofollow noreferrer">https://imgur.com/ym6qwVv</a></p>
  
  <p><a href="https://imgur.com/3mttM3u" rel="nofollow noreferrer">https://imgur.com/3mttM3u</a></p>
  
  <p>It's the first time I've tried to add SSZipArchive to a project, and just today I've updated Xcode to 5.1.1. I don't know what I'm doing wrong, or maybe the update of the SDK could have changed something.</p>
  
  <p>I previously had another problem that I solved thanks to this:
  <a href="https://stackoverflow.com/questions/17704276/getting-a-lot-of-strange-errors-in-xcode-everytime-im-trying-to-add-ziparchive-o">Getting a lot of strange errors in Xcode everytime Im trying to add ZipArchive or ssziparchive</a></p>