Log Message:
update ncurses(w) to version 6.1, which fixes CVE-2017-13728 and
CVE-2017-16879

summary relnotes:
 This release is designed to be source-compatible with ncurses 5.0
 through 6.0; providing extensions to the application binary interface (ABI).
 Although the source can still be configured to support the ncurses 5 ABI,
 the intent of the release is to provide extensions to the ncurses 6 ABI:

    improve integration of tput and tset

    provide support for extended numeric capabilities.

The lengthy details are at http://invisible-island.net/ncurses/announce.html