title: Fetch Facebook Mutual friends between me and another User
body: <p>i want to fetch Facebook Mutual friends in my ios App </p>
  
  <p>this is my try to get mutual friends i call with this Link </p>
  
  <pre><code>[NSString stringWithFormat:@"me/mutual_friends/%@?fields=installed",fbuserId]
  </code></pre>
  
  <p>it give for me Error code 5 
  and when i use <code>@"me/friends"</code>
  it returns result 
  i also try using graph api explorer it gives unknown path</p>
  
  <p><a href="https://developers.facebook.com/tools/explorer/145634995501895/?method=GET&amp;path=me%2Fmutual_friends%2F1310347645&amp;version=v2.1" rel="nofollow">APi Graph Explorer try </a></p>
  
  <p>ALso my app have user_friends Permission 
  can any one tell me the correct path ?</p>