- Fix missing `fcntl.h` in `protocol.c`
 - Replace nonstandard `sys/unistd.h` includes with `unistd.h` ones

Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>

This commit brings back Wifidog from the oldpackages
repository.

Changes:

* Wifidog version 1.2.1
* Add wifidog-tls package
* Init script uses procd

Signed-off-by: Michael Haas <haas@computerlinguist.org>