Could not compile 1.1.13 in FreeBSD

[hshh]

Describe the bug
Could not compile 1.1.13 in FreeBSD

Describe the environment

• FreeBSD 14.1
• cargo-c-0.10.9_1, rust-1.84.0

How to Reproduce the bug
Steps to reproduce the behavior:

1. git checkout 1.1.13, and update submodule
2. cargo build --release
3. I get this error

   Compiling default_net v0.1.0 (https://github.com/rustdesk-org/default_net#a831d47b)
error[E0432]: unresolved import `os`
  --> /root/.cargo/git/checkouts/default_net-7fd56e4671a492a6/a831d47/src/lib.rs:11:9
   |
11 | pub use os::get_mac;
   |         ^^ help: a similar path exists: `std::os`

For more information about this error, try `rustc --explain E0432`.
error: could not compile `default_net` (lib) due to 1 previous error

[rustdesk]

PR is welcome, we wont do this.