Fix crash issue when favicon is null. (#3010)

Co-authored-by: Jiyun Yang <ji.yang@samsung.com>

diff --git a/src/Tizen.NUI/src/internal/WebView/WebView.cs b/src/Tizen.NUI/src/internal/WebView/WebView.cs
index 3c303f4..3d327f1 100755 (executable)
--- a/src/Tizen.NUI/src/internal/WebView/WebView.cs
+++ b/src/Tizen.NUI/src/internal/WebView/WebView.cs
@@ -1188,7 +1188,7 @@ namespace Tizen.NUI
             get
             {
                 global::System.IntPtr imageView = Interop.WebView.GetFavicon(SwigCPtr);
-                if (imageView == IntPtr.Zero)
+                if (imageView == null || imageView == IntPtr.Zero)
                     return null;
                 return new ImageView(imageView, false);
             }