Import unmodified (but trimmed) ncurses 5.0 prerelease 990821.
This contains the full eti (panel, form, menu) extensions.
bmake glue to follow.

Obtained from: ftp://ftp.clark.net/pub/dickey/ncurses

This commit was generated by cvs2svn to compensate for changes in r50276,
which included commits to RCS files with non-trunk default branches.