[zxio][1/2] Transition to new zxio_close()

This change is part of a soft transition to move to a new signature for
`zxio_close()`.

Bug: 118942
Bug: 102657

Change-Id: I3377e405526f991eb531d9ab484142e6a06c2fca
Reviewed-on: https://fuchsia-review.googlesource.com/c/third_party/mesa/+/786604
Reviewed-by: Tamir Duberstein <tamird@google.com>
1 file changed