Update libc crate to 0.2.66

This change updates the libc crate to version 0.2.66.

Import subrepo libc/:libc at 4f11029a68040c90acf771976b019c1ef273a8cd

1 files changed, 9 insertions, 2 deletions

diff --git a/libc/src/lib.rs b/libc/src/lib.rs
index 6c2e6c8..0b1496a 100644
--- a/libc/src/lib.rs
+++ b/libc/src/lib.rs
@@ -14,8 +14,14 @@
 //! [pd]: https://rust-lang.github.io/libc/#platform-specific-documentation
 #![crate_name = "libc"]
 #![crate_type = "rlib"]
-#![cfg_attr(not(feature = "rustc-dep-of-std"), deny(warnings))]
-#![allow(bad_style, overflowing_literals, improper_ctypes, unknown_lints)]
+#![cfg_attr(libc_deny_warnings, deny(warnings))]
+#![allow(
+    bad_style,
+    overflowing_literals,
+    improper_ctypes,
+    unknown_lints,
+    redundant_semicolon
+)]
 // Attributes needed when building as part of the standard library
 #![cfg_attr(
     feature = "rustc-dep-of-std",
@@ -28,6 +34,7 @@
 #![no_std]
 #![cfg_attr(feature = "rustc-dep-of-std", no_core)]
 #![cfg_attr(target_os = "redox", feature(static_nobundle))]
+#![cfg_attr(libc_const_extern_fn, feature(const_extern_fn))]
 
 #[macro_use]
 mod macros;