minor, support O_TRUNC in make_dict() as flag and map to BDBOTRUNC
minor, generate gand_idx2sym index file temporarily and then rename atomically
minor, allow to specify the index file name in gandaux(1)
Merge branch 'tool/gandaux'

* tool/gandaux:
  minor, allow to specify the index file name in gandaux(1)
  minor, generate gand_idx2sym index file temporarily and then rename atomically
  minor, support O_TRUNC in make_dict() as flag and map to BDBOTRUNC
minor, use a dirfd and openat() to serve GAND_FILEs and GAND_TMPFs
Merge branch 'core/httpd'

* core/httpd:
  minor, use a dirfd and openat() to serve GAND_FILEs and GAND_TMPFs