Get rid of old libc feature

components/servo/Cargo.lock

@@ -11,6 +11,7 @@ dependencies = [
  "gfx_tests 0.0.1",
  "glutin_app 0.0.1",
  "layout 0.0.1",
+ "libc 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "msg 0.0.1",
  "net 0.0.1",
  "net_tests 0.0.1",

components/servo/Cargo.toml

@@ -103,3 +103,4 @@ optional = true
 url = "0.2.16"
 time = "0.1.12"
 bitflags = "*"
+libc = "*"

components/servo/lib.rs

@@ -16,7 +16,7 @@
 //
 // The `Browser` is fed events from a generic type that implements the
 // `WindowMethods` trait.
-#![feature(libc, thread_local)]
+#![feature(thread_local)]
 
 extern crate compositing;
 extern crate devtools;

components/servo/main.rs

@@ -15,7 +15,7 @@
 //!
 //! [glutin]: https://github.com/tomaka/glutin
 
-#![feature(start, libc)]
+#![feature(start)]
 
 // The Servo engine
 extern crate servo;

ports/cef/Cargo.lock

@@ -1047,6 +1047,7 @@ dependencies = [
  "gfx 0.0.1",
  "glutin_app 0.0.1",
  "layout 0.0.1",
+ "libc 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "msg 0.0.1",
  "net 0.0.1",
  "net_traits 0.0.1",

ports/gonk/Cargo.lock

@@ -1019,6 +1019,7 @@ dependencies = [
  "devtools_traits 0.0.1",
  "gfx 0.0.1",
  "layout 0.0.1",
+ "libc 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "msg 0.0.1",
  "net 0.0.1",
  "net_traits 0.0.1",