file-has-acl: revert both recent changes, 80af92af and 95f7c57f * lib/file-has-acl.c: While the 2011-10-03 change does fix the ls -lL regression introduced in coreutils-8.12, it does so at the cost of an additional stat call in the common case. Besides, now that the kernel change that prompted commit 95f7c57f has been reverted (see https://bugzilla.redhat.com/show_bug.cgi?id=720325#c24) we have no use for commit 95f7c57f, "file-has-acl: use acl_extended_file_nofollow if available".