* Update lftp to 4.4.3
* Update build to latest standards

	deleted:    network/lftp/lftp-4.4.0-slackware.patch.xz
	renamed:    network/lftp/lftp-4.4.0-color.patch.xz -> network/lftp/lftp-4.4.3-color.patch.xz
	modified:   network/lftp/lftp.build