Add missing \[allow(missing_docs)\]

diff --git a/src/libstd/sys/mod.rs b/src/libstd/sys/mod.rs
index b5bf4044be4d0ff77dbc13fbdc0708e9adb9c271..c44db3b10722494e4e925987dff53a206bd378b8 100644 (file)
--- a/src/libstd/sys/mod.rs
+++ b/src/libstd/sys/mod.rs
@@ -87,6 +87,7 @@ pub mod unix_ext {}
         // On CloudABI and wasm right now the shim below doesn't compile, so
         // just omit it
         #[unstable(issue = "0", feature = "std_internals")]
+        #[allow(missing_docs)]
         pub mod windows_ext {}
     } else {
         // On all other platforms (aka linux/osx/etc) then pull in a "minimal"