- Add ncurses patch 5.8.20110307
* revert changes to limit-checks from 20110122 (Debian #616711).
* corrected a minor sign error in a field of Low_Level_Field_Type, to
conform to form.h.
* replaced C_Int by Curses_Bool as return type for some callbacks, see
fieldtype(3FORM).

- Add ncurses patch 5.8.20110305
* fix an off-by-one error in _nc_slk_initialize() from 20100605 fixes
for compiler warnings (report by Nicolas Boulenguez).

- Update to ncurses 5.8
* change open() in _nc_read_file_entry() to fopen() for consistency
with write_file().
* modify misc/run_tic.in to create parent directory, in case this is
a new install of hashed database.
* add cons25-debian entry (patch by Brian M Carlson, Debian #607662).
* add xterm-utf8 entry as a demo of the U8 feature -TD
* add U8 feature to denote entries for terminal emulators which do not
support VT100 SI/SO when processing UTF-8 encoding -TD
* improve the NCURSES_NO_UTF8_ACS feature by adding a check for an
extended terminfo capability U8 (prompted by mailing list
discussion).
* correct limit-checks in derwin().
* fix a missing "weak" declaration for pthread_kill (patch by Nicholas Alcock).
* improve documentation of KEY_ENTER in curs_getch.3x manpage (prompted
by discussion with Kevin Martin).
* document thick- and double-line symbols in curs_add_wch.3x manpage.
* document WACS_xxx constants in curs_add_wch.3x manpage.
* fix typo in man/default_colors.3x (patch by Tim van der Molen).