Add nmount for FreeBSD.

Author: asomers

CHANGELOG.md

@@ -6,6 +6,8 @@ This project adheres to [Semantic Versioning](https://semver.org/).
 ## [Unreleased] - ReleaseDate
 ### Added
 - Added `if_nameindex` (#[1445](https://github.com/nix-rust/nix/pull/1445))
+- Added `nmount` for FreeBSD.
+  (#[1447](https://github.com/nix-rust/nix/pull/1447))
 
 ### Changed
 ### Fixed

Cargo.toml

@@ -32,7 +32,7 @@ targets = [
 ]
 
 [dependencies]
-libc = { version = "0.2.95", features = [ "extra_traits" ] }
+libc = { git = "https://github.com/rust-lang/libc", rev = "72da7a6a464a5a2a17993b94d94d2ab99bb87db6", features = [ "extra_traits" ] }
 bitflags = "1.1"
 cfg-if = "1.0"
 

src/lib.rs

@@ -44,6 +44,7 @@ pub mod ifaddrs;
           target_os = "linux"))]
 pub mod kmod;
 #[cfg(any(target_os = "android",
+          target_os = "freebsd",
           target_os = "linux"))]
 pub mod mount;
 #[cfg(any(target_os = "dragonfly",