tree 2ede9ed4f8eca09379b47945ff724f31db4d5397
parent 945d718f9936133c3ae43be2f1dfade77bedf482
author David Greenaway <dgreenaway@google.com> 1558588446 +1000
committer David Greenaway <dgreenaway@google.com> 1558655167 +1000

Fix "virtio_block_test_util" build on GNU/Linux systems.

libc::ioctl has a "c_ulong" type on native GNU/Linux x86_64 systems,
but a "c_int" type on Fuchsia systems. We can avoid specifying the
type and allow Rust to infer it to allow the tool to build in both
environments.

Change-Id: Iddff2ef4549f6c0bf6c6b1532ca785eb452204d0