Clean up trailing whitespace

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

WireGuard/WireGuard/Tunnel/TunnelsManager.swift

@@ -52,7 +52,7 @@ class TunnelsManager {
         }
         #endif
     }
-    
+
     func reload(completionHandler: @escaping (Bool) -> Void) {
         #if targetEnvironment(simulator)
         completionHandler(.success(false))
@@ -62,7 +62,7 @@ class TunnelsManager {
                 completionHandler(false)
                 return
             }
-            
+
             let newTunnels = managers.map { TunnelContainer(tunnel: $0) }.sorted { $0.name < $1.name }
             let hasChanges = self.tunnels.map { $0.name } != newTunnels.map { $0.name }
             if hasChanges {
@@ -317,7 +317,7 @@ private func lastErrorTextFromNetworkExtension(for tunnel: TunnelContainer) -> (
     guard let lastErrorData = try? Data(contentsOf: lastErrorFileURL) else { return nil }
     guard let lastErrorStrings = String(data: lastErrorData, encoding: .utf8)?.splitToArray(separator: "\n") else { return nil }
     guard lastErrorStrings.count == 2 && tunnel.activationAttemptId == lastErrorStrings[0] else { return nil }
-    
+
     switch PacketTunnelProviderError(rawValue: lastErrorStrings[1]) {
     case .some(.savedProtocolConfigurationIsInvalid):
         return (tr("alertTunnelActivationFailureTitle"), tr("alertTunnelActivationSavedConfigFailureMessage"))

WireGuard/WireGuard/UI/iOS/View/TunnelListCell.swift

@@ -72,7 +72,7 @@ class TunnelListCell: UITableViewCell {
 
         statusSwitch.addTarget(self, action: #selector(switchToggled), for: .valueChanged)
     }
- 
+
     @objc func switchToggled() {
         onSwitchToggled?(statusSwitch.isOn)
     }

WireGuard/WireGuard/UI/iOS/ViewController/MainViewController.swift

@@ -57,14 +57,14 @@ class MainViewController: UISplitViewController {
             self.onTunnelsManagerReady?(tunnelsManager)
             self.onTunnelsManagerReady = nil
         }
-        
+
         foregroundObservationToken = NotificationCenter.default.addObserver(forName: UIApplication.willEnterForegroundNotification, object: nil, queue: OperationQueue.main) { [weak self] _ in
             guard let self = self else { return }
             self.tunnelsManager?.reload { [weak self] hasChanges in
                 guard let self = self, let tunnelsManager = self.tunnelsManager, hasChanges else { return }
-                
+
                 self.tunnelsListVC?.setTunnelsManager(tunnelsManager: tunnelsManager)
-                
+
                 if self.isCollapsed {
                     (self.viewControllers[0] as? UINavigationController)?.popViewController(animated: false)
                 } else {
@@ -73,12 +73,12 @@ class MainViewController: UISplitViewController {
                     let detailNC = UINavigationController(rootViewController: detailVC)
                     self.showDetailViewController(detailNC, sender: self)
                 }
-                
+
                 if let presentedNavController = self.presentedViewController as? UINavigationController, presentedNavController.viewControllers.first is TunnelEditTableViewController {
                     self.presentedViewController?.dismiss(animated: false, completion: nil)
                 }
             }
-            
+
         }
     }
 

WireGuard/WireGuard/UI/iOS/ViewController/TunnelEditTableViewController.swift

@@ -14,7 +14,7 @@ class TunnelEditTableViewController: UITableViewController {
         case peer(_ peer: TunnelViewModel.PeerData)
         case addPeer
         case onDemand
-        
+
         static func == (lhs: Section, rhs: Section) -> Bool {
             switch (lhs, rhs) {
             case (.interface, .interface),
@@ -360,7 +360,7 @@ extension TunnelEditTableViewController {
             let firstInterfaceSection = sections.firstIndex(where: { $0 == .interface })!
             let interfaceSubSection = interfaceFieldsBySection.firstIndex(where: { $0.contains(.dns) })!
             let dnsRow = interfaceFieldsBySection[interfaceSubSection].firstIndex(where: { $0 == .dns })!
-            
+
             cell.onValueBeingEdited = { [weak self, weak peerData] value in
                 guard let self = self, let peerData = peerData else { return }
 
@@ -373,7 +373,7 @@ extension TunnelEditTableViewController {
                         self.tableView.deleteRows(at: [IndexPath(row: row, section: indexPath.section)], with: .fade)
                     }
                 }
-            
+
                 tableView.reloadRows(at: [IndexPath(row: dnsRow, section: firstInterfaceSection + interfaceSubSection)], with: .none)
             }
         } else {