Fix compilation error

Author: Matthiee

UpdateLib/TestApp/Form1.cs

@@ -61,7 +61,7 @@ private void checkForUpdatesToolStripMenuItem_Click(object sender, EventArgs e)
             checkForUpdatesToolStripMenuItem.Enabled = false;
 
             AsyncTask task = Updater.Instance.CheckForUpdatesAsync();
-            task.Cancel();
+            //task.Cancel();
         }
 
         private void Form1_Load(object sender, EventArgs e)

UpdateLib/UpdateLib/Tasks/CheckForUpdatesTask.cs

@@ -41,7 +41,10 @@ protected override void DoWork()
                 return;
 
             if (IsUpdateFileInvalid(localFile))
+            {
+                Updater.Instance.Logger.Warn(GetType().Name, "Cached update file validity expired, downloading new one..");
                 wcDownloader.DownloadFile(Url, localFile);
+            }
 
             // load the updatefile from disk
             Result.UpdateFile = UpdateFile.Load(localFile);

UpdateLib/UpdateLib/Updater.cs

@@ -424,7 +424,10 @@ public CheckForUpdatesTask CheckForUpdatesAsync(IWin32Window owner)
                         Logger.Error(GetType().Name, e.Error);
 
                     if (!update)
-                        Logger.Info()
+                        Logger.Info(GetType().Name, "No update available");
+
+                    if (cancelled)
+                        Logger.Info(GetType().Name, "Update cancalled");
 
                     if (!UpdateSilently)
                         MessageDialog.Show(