Installation error for libncursesw6

[Ansuel Smith]

> Collected errors:
>  * pkg_hash_fetch_best_installation_candidate: Packages for
> libreadline8 found, but incompatible with the architectures configured
>  * opkg_install_cmd: Cannot install package libreadline8.
>  * satisfy_dependencies_for: Cannot satisfy the following dependencies
> for softethervpn5-libs:
>  *      libncursesw6
>  * opkg_install_cmd: Cannot install package softethervpn5-libs.
> make[2]: *** [package/Makefile:69: package/install] Error 255
>
> Multiple packages complain about this... This is from a clean custom build.
> Think this is caused by the abi changes to buildroot

reverting c92165038217e49075098479704da58a2a3a89bd fix the problem