Update `build.cmd` to match latest template - aspnet/Universe#347 - `%KOREBUILD_VERSION%` doesn't work without this fix
Update `build.cmd` to match latest template
- aspnet/Universe#347
- `%KOREBUILD_VERSION%` doesn't work without this fix

aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore