Snort 3.0.3-1 requires libdaq 3.0.0-beta1, but this version is no longer
compatible with Snort 2. This reverts libdaq to 2.2.2 so that Snort 2
can compile. A separate libdaq3 package with allow Snort 3 to compile.

Signed-off-by: W. Michael Petullo <mike@flyn.org>

Signed-off-by: W. Michael Petullo <mike@flyn.org>

Signed-off-by: W. Michael Petullo <mike@flyn.org>

Change occurences of `sys/unistd.h` to the standard `unistd.h` include.
Fixes build against musl.

Also refresh existing patch since it applied with fuzz.

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