ncurses 5.9 - patch 20130608

ncurses 5.9 - patch 20130608

+ add to test/demo_forms.c examples of using the menu-hooks as well
  as showing how the menu item user-data can be used to pass a callback
  function pointer.
+ add test/dots_termcap.c
+ remove setupterm call from test/demo_termcap.c
+ build-fix if --disable-ext-funcs configure option is used.
+ modified test/edit_field.c and test/demo_forms.c to move the lengths
  into a user-data structure, keeping the original string for later
  expansion to free-format input/out demo.
+ modified test/demo_forms.c to load data from file.
+ added note to clarify Terminal.app's non-emulation of the various
  terminal types listed in the preferences dialog -TD
+ fix regression in error-reporting in lib_setup.c (Debian #711134,
  cf: 20121117).
+ build-fix for a case where --enable-broken_linker and
  --enable-reentrant options are combined (report by George R Goffe).