Fix dead link due to CONTROL files not existing anymore on vcpkg

Author: MaelRL

download/windows.html

@@ -11,8 +11,8 @@ <h2>With a Package Manager</h2>
 
 <p><em>Note that vcpkg is not maintained by the CGAL project. Consequently, the latest stable release
 of CGAL might not be immediately available. You can check the version of CGAL currently available
-through vcpkg on the <code>VERSION</code> line on the dedicated CGAL control file on
-<a href="https://github.com/microsoft/vcpkg/blob/master/ports/cgal/CONTROL">github.com/microsoft/vcpkg</a>.</em></p>
+through vcpkg on the <code>version</code> line on the dedicated CGAL <code>.json</code> file on
+<a href="https://github.com/microsoft/vcpkg/blob/master/ports/cgal/vcpkg.json">github.com/microsoft/vcpkg</a>.</em></p>
 
 <p>We recommand to use <a href="https://github.com/microsoft/vcpkg" target="_blank">vcpkg</a>:</p>