Fix missing guard

oxalica · oxalica · commit 55cddb879a6a · 2019-10-14T11:50:38.000+08:00
diff --git a/src/libstd/sys/unix/fs.rs b/src/libstd/sys/unix/fs.rs
@@ -48,6 +48,7 @@ pub struct FileAttr {
     statx_extra_fields: Option<StatxExtraFields>,
 }
 
+#[cfg(target_os = "linux")]
 #[derive(Clone)]
 struct StatxExtraFields {
     // This is needed to check if btime is supported by the filesystem.

Original file line number	Diff line number	Diff line change
`@@ -48,6 +48,7 @@ pub struct FileAttr {`
`48`	`48`	`statx_extra_fields: Option<StatxExtraFields>,`
`49`	`49`	`}`
`50`	`50`
	`51`	`+#[cfg(target_os = "linux")]`
`51`	`52`	`#[derive(Clone)]`
`52`	`53`	`struct StatxExtraFields {`
`53`	`54`	`// This is needed to check if btime is supported by the filesystem.`