Define `MntFlags` and `unmount` on all of the BSDs.

1 files changed, 1 insertions, 1 deletions

diff --git a/Cargo.toml b/Cargo.toml
index 2edb003b..e09f758a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -27,7 +27,7 @@ targets = [
 ]
 
 [dependencies]
-libc = { version = "0.2.135", features = [ "extra_traits" ] }
+libc = { git = "https://github.com/rust-lang/libc", rev = "cc19b6f0801", features = [ "extra_traits" ] }
 bitflags = "1.1"
 cfg-if = "1.0"
 pin-utils = { version = "0.1.0", optional = true }