ncurses source tarball from "current" directory in
ftp://invisible-island.net gets updated/deleted during the release cycle.
We can't depend on that FTP server to fetch source as the maintainer
doesn't guarantee the presence of all patched versions in the server.
ftp://invisible-island.net/ncurses/5.9/README
Fetch sources from debian git server as it is comparatively reliable.
[YOCTO #8713]
Signed-off-by: Maxin B. John <maxin.john@intel.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
