ncurses 5.9 - patch 20130706

ncurses 5.9 - patch 20130706

+ add fallback defs for <inttypes.h> and <stdint.h> (cf: 20120225).
+ add check for size of wchar_t, use that to suppress a chunk of
  wcwidth.h in MinGW port.
+ quiet linker warnings for MinGW cross-compile with dll's using the
  --enable-auto-import flag.
+ add ncurses.map rule to ncurses/Makefile to help diagnose symbol
  table issues.