Win32 Sample uses the dng file

samples/Skia.WindowsDesktop.Demo/Skia.WindowsDesktop.Demo.csproj

@@ -124,6 +124,9 @@
     <EmbeddedResource Include="..\SharedDemo\embedded-font.ttf">
       <Link>embedded-font.ttf</Link>
     </EmbeddedResource>
+    <EmbeddedResource Include="..\SharedDemo\adobe-dng.dng">
+      <Link>adobe-dng.dng</Link>
+    </EmbeddedResource>
     <Content Include="..\SharedDemo\content-font.ttf">
       <Link>Content\content-font.ttf</Link>
       <CopyToOutputDirectory>Always</CopyToOutputDirectory>