Also restore build at Windows (Win32 not have unistd.h)
Win32 ad.exe binary updated but not expected any functional differences.
Signed-off-by: VladimirMangos <vladimir@getmangos.com>
* Avoid create debug binary version with space in name, ignore it in git changes.
* Alow filenum == 0 in archive file lists. Some currently not loaded fiels have its
for example in case when in archive single file.
NOTE: no change in extracted files, so not need re-execute.
