ncurses 5.9 - patch 20110820

ncurses 5.9 - patch 20110820

+ add a check to ensure that termcap files which might have "^?" do
  not use the terminfo interpretation as "\177".
+ minor cleanup of X-terminal emulator section of terminfo.src -TD
+ add terminator entry -TD
+ add simpleterm entry -TD
+ improve wattr_get macros by ensuring that if the window pointer is
  null, then the attribute and color values returned will be zero
  (cf: 20110528).