Fix F_DUPFD_CLOEXEC breakage
Fix a braino in F_DUPFD_CLOEXEC; f_dupfd() expects flags for alloc_fd(), get_unused_fd() etc and there clone-on-exec if O_CLOEXEC, not FD_CLOEXEC. Reported-by: NRichard W.M. Jones <rjones@redhat.com> Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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