Merge from vendor branch READLINE:
authorJoerg Sonnenberger <joerg@dragonflybsd.org>
Sat, 23 Oct 2004 16:58:53 +0000 (16:58 +0000)
committerJoerg Sonnenberger <joerg@dragonflybsd.org>
Sat, 23 Oct 2004 16:58:53 +0000 (16:58 +0000)
Import GNU readline 5.0.

Submitted-by: "Simon 'corecode' Schubert" <corecode@fs.ei.tum.de>

Trivial merge