ncurses 5.9 - patch 20130302

ncurses 5.9 - patch 20130302

+ add section to terminfo manpage discussing user-defined capabilities.
+ update manpage description of NCURSES_NO_SETBUF, explaining why it
  is obsolete.
+ add a check in waddch_nosync() to ensure that tab characters are
  treated as control characters; some broken locales claim they are
  printable.
+ add some traces to the Windows console driver.
+ initialize a temporary array in _nc_mbtowc, needed for some cases
  of raw input in MinGW port.