[NUI] Prevent svace issues in Scrollbar

Signed-off-by: Jiyun Yang <ji.yang@samsung.com>

diff --git a/src/Tizen.NUI.Components/Controls/Scrollbar.cs b/src/Tizen.NUI.Components/Controls/Scrollbar.cs
index 5babce4..fa420f7 100755 (executable)
--- a/src/Tizen.NUI.Components/Controls/Scrollbar.cs
+++ b/src/Tizen.NUI.Components/Controls/Scrollbar.cs
@@ -22,7 +22,7 @@ using Tizen.NUI.Binding;
 namespace Tizen.NUI.Components
 {
     // Represents padding data : Start, End, Top, Bottom
-    using PaddingType = Tuple<ushort, ushort, ushort, ushort>;
+    using PaddingType = ValueTuple<ushort, ushort, ushort, ushort>;
 
     /// <summary>
     /// The Scrollbar is a component that contains track and thumb to indicate the current scrolled position of a scrollable object.