tree 677b12d0c9227138632288233670ec289cc89ebd
parent 8ec04ce57cfc4139b90f5e43a0fdedd65ef9fde3
author William A. Kennington III <wak@google.com> 1625015592 -0700
committer William A. Kennington III <wak@google.com> 1625015618 -0700

fd: Add an empty default constructor

We sometimes want to be able to construct a placeholder fd even though
it isn't populated yet.

Change-Id: I5115dfb46be6d2e67ff0ed629842ab97fda9c0e2
Signed-off-by: William A. Kennington III <wak@google.com>