VFX: vxfs: Fixup some warnings

VFX: vxfs: Fixup some warnings

../../source3/modules/vfs_vxfs.c:343:6: error: unused variable ‘i’ [-Werror=unused-variable]
  int i, offset = 0;
      ^
../../source3/modules/vfs_vxfs.c:342:17: error: unused variable ‘n_id’ [-Werror=unused-variable]
  uint32_t e_id, n_id;
                 ^~~~
../../source3/modules/vfs_vxfs.c:342:11: error: unused variable ‘e_id’ [-Werror=unused-variable]
  uint32_t e_id, n_id;
           ^~~~
../../source3/modules/vfs_vxfs.c:341:35: error: unused variable ‘n_perm’ [-Werror=unused-variable]
  uint16_t e_type, n_type, e_perm, n_perm;
                                   ^~~~~~
../../source3/modules/vfs_vxfs.c:341:27: error: unused variable ‘e_perm’ [-Werror=unused-variable]
  uint16_t e_type, n_type, e_perm, n_perm;
                           ^~~~~~
../../source3/modules/vfs_vxfs.c: In function ‘vxfs_compare’:
../../source3/modules/vfs_vxfs.c:407:6: error: unused variable ‘i’ [-Werror=unused-variable]
  int i, count = 0;
      ^

Signed-off-by: Noel Power <noel.power@suse.com>
Reviewed-by: Jeremy Allison <jra@samba.org>