Make the progress view have rounded ends.

iOS/UIKit Extensions/RoundedProgressView.swift

@@ -0,0 +1,21 @@
+//
+//  RoundedProgressView.swift
+//  NetNewsWire
+//
+//  Created by Maurice Parker on 10/29/19.
+//  Copyright © 2019 Ranchero Software. All rights reserved.
+//
+
+import UIKit
+
+class RoundedProgressView: UIProgressView {
+
+	override func layoutSubviews() {
+		super.layoutSubviews()
+		subviews.forEach { subview in
+			subview.layer.masksToBounds = true
+			subview.layer.cornerRadius = bounds.height / 2.0
+		}
+	}
+
+}