- Reintroduce patch ncurses-6.1-fallback.dif to fix boo#1130091

- Add ncurses patch 20190317
+ regenerate llib-* files.
+ modify tic to also use new function for user-defined capability info.
+ modify _nc_parse_entry() to check if a user-defined capability has
an unexpected type; ignore it in that case.
+ fix a special case of link-anchors in generated Ada html files.
+ use newer rel=author tag in generated html rather than rev=made,
which did not become accepted.

- Add ncurses patch 20190309
+ in-progress changes to add parameter-checking for common user-defined
capabilities in tic.
+ update MKcodes.awk and MKnames.awk to ignore the new "userdef"
data in Caps-ncurses (cf: 20190302).

- Add ncurses patch 20190223
+ fix typo in adds200 -TD
+ add tic check for consistent alternate character set capabilities.
+ improve check in mvcur() to decide whether to use hard-tabs, using
xt, tbc and hts as clues.
+ replace check in reset command for obsolete "pt" capability using
tbc and hts capabilities as clues (report by Nicolas Marriott).