FTPD: Pull in various commits from upstream

Our version is from roughly 4-2007.

Brought in the following commits that appeared relevant to code improvements and fixes.:

https://github.com/freebsd/freebsd-src/commit/f0b40b1c97b2efe9f22af5d63ec6c62c55804a43#diff-ccb7a49e05dd2061a0b3ac926212bc5aebe5afd09bbefc8658ba57d8b79827a1
https://github.com/freebsd/freebsd-src/commit/d56cc5591766aeb662eb92411d2a0ee3c0972997#diff-ccb7a49e05dd2061a0b3ac926212bc5aebe5afd09bbefc8658ba57d8b79827a1
https://github.com/freebsd/freebsd-src/commit/763e8c9623f8ac3c6d075ccb3d22afa8730afa19#diff-ccb7a49e05dd2061a0b3ac926212bc5aebe5afd09bbefc8658ba57d8b79827a1
https://github.com/freebsd/freebsd-src/commit/62f390ecd9a37534b6e237215e5597e019ea718a#diff-ccb7a49e05dd2061a0b3ac926212bc5aebe5afd09bbefc8658ba57d8b79827a1
https://github.com/freebsd/freebsd-src/commit/6e4fcca0f87bb7d0f80934881ddd68dbd57fbcbf#diff-ccb7a49e05dd2061a0b3ac926212bc5aebe5afd09bbefc8658ba57d8b79827a1
https://github.com/freebsd/freebsd-src/commit/69097cd8da7e52567dd83f0242cf5431c6783fe8#diff-ccb7a49e05dd2061a0b3ac926212bc5aebe5afd09bbefc8658ba57d8b79827a1
https://github.com/freebsd/freebsd-src/commit/3c0c1e01c9c55aa0ef5bec9a4612d1ce68dd76da#diff-ccb7a49e05dd2061a0b3ac926212bc5aebe5afd09bbefc8658ba57d8b79827a1

Change-Id: If44f58950513ebe1fecc2f482ea954fe49263677
Reviewed-on: https://review.haiku-os.org/c/haiku/+/4321
Reviewed-by: Jérôme Duval <jerome.duval@gmail.com>

* Ported FreeBSD's ftpd to Haiku.
* Added it to the image, and configured it to be used.
* Currently, it cannot transfer files over 64 KB for some reason
("Message too long").


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@23843 a95241bf-73f2-0310-859d-f6bbb57e9c96

* Ported FreeBSD's ftpd to Haiku.
* Added it to the image, and configured it to be used.
* Currently, it cannot transfer files over 64 KB for some reason
("Message too long").


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@23843 a95241bf-73f2-0310-859d-f6bbb57e9c96