Merge pull request #1048 from HandyOrg/t/bot/fix-codeformatting

[Bot] Automated PR to fix formatting errors

src/Shared/HandyControl_Shared/Controls/Cover/CoverFlow/CoverFlow.cs

@@ -174,7 +174,7 @@ namespace HandyControl.Controls
         public void Next() => PageIndex++;
 
         public void Prev() => PageIndex--;
-        
+
         protected override void OnMouseWheel(MouseWheelEventArgs e)
         {
             base.OnMouseWheel(e);