Added entry for the curses.ascii module.

Doc/lib/lib.tex

@@ -146,6 +146,7 @@ and how to embed it in other applications.
 \input{libsched}
 \input{libgetpass}
 \input{libcurses}
+\input{libascii}		% curses.ascii
 \input{libgetopt}
 \input{libtempfile}
 \input{liberrno}