2009-12-19 Eric Blake <ebb9@byu.net>
+ dirfd: fix prototype
+ * lib/dirent.in.h (dirfd): Argument is not const, per POSIX.
+ * lib/dirfd.c (dirfd): Likewise.
+
canonicalize: reduce memory usage
* lib/canonicalize.c (canonicalize_filename_mode): Trim the
allocation to size.