ncurses 5.9 - patch 20111126

ncurses 5.9 - patch 20111126

+ correct database iterator's check for duplicate entries
  (cf: 20111001).
+ modify database iterator to ignore $TERMCAP when it is not an
  absolute pathname.
+ add -D option to tic, to show the database locations that it could
  use.
+ improve description of database locations in tic manpage.
+ modify the configure script to generate a list of the ".pc" files to
  generate, rather than deriving the list from the libraries which have
  been built (patch by Mike Frysinger).
+ use AC_CHECK_TOOLS in preference to AC_PATH_PROGS when searching for
  ncurses*-config, e.g., in Ada95/configure and test/configure (adapted
  from patch by Mike Frysinger).