[ScreenMirroring] Fixed compile error.

The error is caused by https://review.tizen.org/gerrit/#/c/136118/.

Change-Id: Ic6df7a860a5fd184d059d6275bccc7ec79c7429c
Signed-off-by: coderhyme <jhyo.kim@samsung.com>

diff --git a/src/Tizen.Multimedia.Remoting/ScreenMirroring/ScreenMirroring.cs b/src/Tizen.Multimedia.Remoting/ScreenMirroring/ScreenMirroring.cs
index 9ef7bd3..63fee48 100644 (file)
--- a/src/Tizen.Multimedia.Remoting/ScreenMirroring/ScreenMirroring.cs
+++ b/src/Tizen.Multimedia.Remoting/ScreenMirroring/ScreenMirroring.cs
@@ -163,15 +163,9 @@ namespace Tizen.Multimedia
 
         private void ReplaceDisplay(Display newDisplay)
         {
-            if (_display != null)
-            {
-                _display.Owner = null;
-            }
+            _display?.SetOwner(null);
             _display = newDisplay;
-            if (_display != null)
-            {
-                _display.Owner = this;
-            }
+            _display?.SetOwner(this);
         }
 
         /// <summary>