same-inode: revert prior change; it is not yet ready This reverts commit b5eb8386645bf1bcfafa63c729ff9a86454def87. * NEWS: Undo mention of this change. * lib/same-inode.h (same-inode.h): Undo tri-state change. * lib/cycle-check.h (CYCLE_CHECK_REFLECT_CHDIR_UP): Update caller. * lib/cycle-check.c (cycle_check): Likewise. * lib/same.c (same_name): Likewise. * lib/at-func2.c (at_func2): Likewise. Signed-off-by: Eric Blake <ebb9@byu.net>