Fix lint issues.

iOS/Settings/TimelineCustomizerViewController.swift

@@ -14,15 +14,15 @@ class TimelineCustomizerViewController: UIViewController {
 	@IBOutlet weak var iconSizeSlider: TickMarkSlider!
 	@IBOutlet weak var numberOfLinesSliderContainerView: UIView!
 	@IBOutlet weak var numberOfLinesSlider: TickMarkSlider!
-	
+
 	@IBOutlet weak var previewWidthConstraint: NSLayoutConstraint!
 	@IBOutlet weak var previewHeightConstraint: NSLayoutConstraint!
-	
+
 	@IBOutlet weak var previewContainerView: UIView!
 	var previewController: TimelinePreviewTableViewController {
 		return children.first as! TimelinePreviewTableViewController
 	}
-	
+
 	override func viewDidLoad() {
         super.viewDidLoad()
 
@@ -34,13 +34,13 @@ class TimelineCustomizerViewController: UIViewController {
 		numberOfLinesSlider.value = Float(AppDefaults.shared.timelineNumberOfLines)
 		numberOfLinesSlider.addTickMarks()
     }
-	
+
 	override func viewWillAppear(_ animated: Bool) {
 		super.viewWillAppear(animated)
 		updatePreviewBorder()
 		updatePreview()
 	}
-	
+
 	override func traitCollectionDidChange(_ previousTraitCollection: UITraitCollection?) {
 		updatePreviewBorder()
 		updatePreview()
@@ -51,18 +51,18 @@ class TimelineCustomizerViewController: UIViewController {
 		AppDefaults.shared.timelineIconSize = iconSize
 		updatePreview()
 	}
-	
+
 	@IBAction func numberOfLinesChanged(_ sender: Any) {
 		AppDefaults.shared.timelineNumberOfLines = Int(numberOfLinesSlider.value.rounded())
 		updatePreview()
 	}
-	
+
 }
 
 // MARK: Private
 
 private extension TimelineCustomizerViewController {
-	
+
 	func updatePreview() {
 		let previewWidth: CGFloat = {
 			if traitCollection.userInterfaceIdiom == .phone {
@@ -71,13 +71,13 @@ private extension TimelineCustomizerViewController {
 				return view.bounds.width / 1.5
 			}
 		}()
-		
+
 		previewWidthConstraint.constant = previewWidth
 		previewHeightConstraint.constant = previewController.heightFor(width: previewWidth)
-		
+
 		previewController.reload()
 	}
-	
+
 	func updatePreviewBorder() {
 		if traitCollection.userInterfaceStyle == .dark {
 			previewContainerView.layer.borderColor = UIColor.black.cgColor
@@ -86,5 +86,5 @@ private extension TimelineCustomizerViewController {
 			previewContainerView.layer.borderWidth = 0
 		}
 	}
-	
+
 }