ncurses 5.9 - patch 20130126

ncurses 5.9 - patch 20130126

+ further fixes to mvcur to pass callback function (cf: 20130112),
  needed to make test/dots_mvcur work.
+ reduce calls to SetConsoleActiveScreenBuffer in win_driver.c, to
  help reduce flicker.
+ modify configure script to omit "+b" from linker options for very
  old HP-UX systems (report by Dennis Grevenstein)
+ add HP-UX workaround for missing EILSEQ on old HP-UX systems (patch
  by Dennis Grevenstein).
+ restore memmove/strdup support for antique systems (request by
  Dennis Grevenstein).
+ change %l behavior in tparm to push the string length onto the stack
  rather than saving the formatted length into the output buffer
  (report by Roy Marples, cf: 980620).