minor fix

@@ -10,7 +10,7 @@ import UIKit
 import WebKit
 import SwiftEventBus
 
-var timer: DispatchSourceTimer?
+var timer2: DispatchSourceTimer?
 
 @objc public class CampaignViewController: UIViewController, WKNavigationDelegate, WKScriptMessageHandler {
     @IBOutlet weak var webview: WKWebView!
@@ -63,9 +63,9 @@ var timer: DispatchSourceTimer?
         print("========= Webview Timer Started! =========")
 
         let queue = DispatchQueue(label: Bundle.main.bundleIdentifier! + ".webview.timer")
-        timer = DispatchSource.makeTimerSource(queue: queue)
-        timer!.schedule(deadline: .now(), repeating: .seconds(1))
-        timer!.setEventHandler { [weak self] in
+        timer2 = DispatchSource.makeTimerSource(queue: queue)
+        timer2!.schedule(deadline: .now(), repeating: .seconds(1))
+        timer2!.setEventHandler { [weak self] in
             // do whatever stuff you want on the background queue here here
             print("========= Webview interval! =========")
 
@@ -82,13 +82,13 @@ var timer: DispatchSourceTimer?
                 })
             }
         }
-        timer!.resume()
+        timer2!.resume()
     }
 
     func stopTimer() {
         print("========= Webview Timer Stopped! =========")
-        timer?.cancel()
-        timer = nil
+        timer2?.cancel()
+        timer2 = nil
     }
 
     // MARK: - API Calls