fix the build of DrawingFromGeometryWithGtk

Signed-off-by: Lev Nachmanson <[email protected]>

Author: levnach

GraphLayout/Samples/DrawingFromGeometryWithGtk/DrawingFromGeometryWithGtk.csproj

@@ -13,7 +13,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="GtkSharp" Version="3.24.24.*" />
+    <PackageReference Include="GtkSharp" Version="3.24.24.117-develop" />
   </ItemGroup>
 
   <ItemGroup>