title: How to get CConstPointer in Swift?
body: <p>I want to transform a CGPath with the transform <code>CGAffineTransformMakeRotation(radians)</code> but the <code>CGPathCreateCopyByTransformingPath</code> func takes a <code>CConstPointer&lt;CGAffineTransform&gt;</code>.  How do I get a <code>CConstPointer&lt;CGAffineTransform&gt;</code> out of my <code>CGAffineTransform</code>?</p>