curs_delch(3) on FreeBSD

The text 654d64b1dda7, as FreeBSD 2.1.7.1-RELEASE, FreeBSD 2.1.7-RELEASE, FreeBSD 2.1.5-RELEASE, FreeBSD 2.0.5-RELEASE shipped it.

delete character under the cursor in a ncurses window

curs_delch(3) on FreeBSD now