Add swift 4 config to podspec

AlexLittlejohn · AlexLittlejohn · commit d4d578a1ee92 · 2017-09-27T10:42:11.000+02:00
diff --git a/ALCameraViewController.podspec b/ALCameraViewController.podspec
@@ -10,4 +10,5 @@ Pod::Spec.new do |spec|
   spec.resources          = ["ALCameraViewController/ViewController/ConfirmViewController.xib", "ALCameraViewController/CameraViewAssets.xcassets", "ALCameraViewController/CameraView.strings"]
   spec.homepage           = "https://github.com/AlexLittlejohn/ALCameraViewController"
   spec.author             = { "Alex Littlejohn" => "alexlittlejohn@me.com" }
+  spec.pod_target_xcconfig = { 'SWIFT_VERSION' => '4.0' }
 end
