BSD needs a few fixes for wide character manipulations.

Difference with v1:
- Fix unitialized value in error message

Difference with v2:
- Add cchar_t manipulation fix

Samuel Thibault (2):
  ui/curses: do not assume wchar_t contains unicode
  ui/curses: manipulate cchar_t with standard curses functions

 ui/curses.c | 188 +++++++++++++++++++++++++++++++++-------------------
 1 file changed, 120 insertions(+), 68 deletions(-)

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2.20.1