From 60e2c560352b236be78dc066a110f8b90ba0b49b Mon Sep 17 00:00:00 2001
From: laoyur <i@laoyur.com>
Date: Tue, 10 Jan 2017 15:08:59 +0800
Subject: [PATCH] swift2.3 compilation error fixed

---
 QRCode/CIImageExtension.swift | 2 +-
 QRCode/QRCode.swift           | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/QRCode/CIImageExtension.swift b/QRCode/CIImageExtension.swift
index ba5ba86..10dc4e4 100644
--- a/QRCode/CIImageExtension.swift
+++ b/QRCode/CIImageExtension.swift
@@ -18,7 +18,7 @@ internal extension CIImage {
     ///
     /// - returns: an non-interpolated UIImage
     internal func nonInterpolatedImage(withScale scale: Scale = Scale(dx: 1, dy: 1)) -> UIImage? {
-        guard let cgImage = CIContext(options: nil).createCGImage(self, fromRect: self.extent) else { return nil }
+        let cgImage = CIContext(options: nil).createCGImage(self, fromRect: self.extent)
         let size = CGSize(width: self.extent.size.width * scale.dx, height: self.extent.size.height * scale.dy)
         
         UIGraphicsBeginImageContextWithOptions(size, true, 0)
diff --git a/QRCode/QRCode.swift b/QRCode/QRCode.swift
index 47c57cb..e4e5f4d 100644
--- a/QRCode/QRCode.swift
+++ b/QRCode/QRCode.swift
@@ -60,7 +60,7 @@ public struct QRCode {
     }
     
     public init?(_ url: NSURL) {
-        if let data = url.absoluteString?.dataUsingEncoding(NSISOLatin1StringEncoding) {
+        if let data = url.absoluteString.dataUsingEncoding(NSISOLatin1StringEncoding) {
             self.data = data
         } else {
             return nil