- Add ncurses patch 20190928
+ amend the ncurse*-config and pc-files to take into account the rpath
hack which differed between those files.
+ improve -L option filtering in ncurses*-config
+ improve recovery from error when reading command-character in
test/ncurses.c, showing the relevant error message and not exiting on
EINTR (cf: 20180922)
- Add library path for pkgconfig of ncurses5 as well

- Add ncurses patch 20190921
+ add a note in resizeterm manpage about top-level windows which touch
the screen's borders.
+ modify configure-checks for gnat to identify each of the tools path
and version.

- Add ncurses patch 20190914
+ build-fixes for Ada95 configure-script and corresponding test package