* sysdeps/mach/hurd/getcwd.c: Use __file_name_lookup_under.
* sysdeps/mach/hurd/bind.c: Likewise.
* sysdeps/mach/hurd/access.c: Use new __hurd_file_name_lookup
calling convention.
* hurd/hurdexec.c: Undo last change (10 Oct 95).
* stdio/vfscanf.c (%n): Use READ_IN - 1, so as not to count the
read-ahead character.
* hurd/dtable.c, hurd/getdport.c, hurd/hurd.h, hurd/hurdexec.c,
hurd/hurdinit.c, hurd/hurdprio.c, hurd/hurdsock.c,
hurd/ports-get.c, hurd/ports-set.c, hurd/setauth.c,
hurd/setuids.c, sysdeps/mach/hurd/i386/trampoline.c:
Get anal with unsigned to pacify compiler.