Needed for patch-crates_tor-memquota_src_config_rs

Index: crates/tor-memquota/Cargo.toml
--- crates/tor-memquota/Cargo.toml.orig
+++ crates/tor-memquota/Cargo.toml
@@ -20,6 +20,7 @@ educe = "0.4.22"
 extend = "1.2.0"
 futures = "0.3.14"
 itertools = "0.15.0"
+libc = "0.2.186"
 paste = "1.0.3"
 pin-project = "1"
 serde = { version = "1.0.103", features = ["derive"] }
