title: Xcode: Getting warning "implicit conversion from enumeration type UIDeviceOrientation"
body: <p>Full warning:</p>
  
  <pre><code>Implicit conversion from enumeration type 'UIInterfaceOrientation' to different enumeration type 'UIDeviceOrientation'
  </code></pre>
  
  <p>Getting it on the line:</p>
  
  <pre><code>[self orientationChanged:interfaceOrientation];
  </code></pre>
  
  <p>This is the method:</p>
  
  <pre><code>- (void)orientationChanged:(UIInterfaceOrientation)interfaceOrientation 
  </code></pre>
  
  <p>I can't really understand where this warning is coming from.</p>