Tabs: Fix issue where tab sometimes has the wrong favicon after a redirect.

App/Browser View/BrowserViewController+WebKitDelegate.swift

@@ -52,6 +52,14 @@ extension BrowserViewController: WKNavigationDelegate, WKUIDelegate
         }
     }
     
+    func webView(_ webView: WKWebView, didReceiveServerRedirectForProvisionalNavigation navigation: WKNavigation!) {
+        // We got rugged!!!!!! Update the favicon again.
+        if let url = webView.url {
+            // Start requesting favicon
+            tab.updateFaviconForURL(url)
+        }
+    }
+    
     func webView(_ webView: WKWebView, didFinish navigation: WKNavigation!) {
         toolbarController.urlBar.loadProgress = .complete