smbprovider: Add missing mount_id field.

- mount_id was missing from CloseFileOptions
- Although this modifies the field index, there are no real clients.

BUG=chromium:757625
TEST=none

Change-Id: I8b255130f451777f541a02a0b89add94820cf9ff
Reviewed-on: https://chromium-review.googlesource.com/848315
Commit-Ready: Zentaro Kavanagh <zentaro@chromium.org>
Tested-by: Zentaro Kavanagh <zentaro@chromium.org>
Reviewed-by: Allen Vicencio <allenvic@chromium.org>
Reviewed-by: Zentaro Kavanagh <zentaro@chromium.org>
Reviewed-by: Bailey Berro <baileyberro@chromium.org>
1 file changed