Add a tracking issue for file_buffered

Author: cuviper

std/src/fs.rs

@@ -405,7 +405,7 @@ impl File {
     ///     Ok(())
     /// }
     /// ```
-    #[unstable(feature = "file_buffered", issue = "none")]
+    #[unstable(feature = "file_buffered", issue = "130804")]
     pub fn open_buffered<P: AsRef<Path>>(path: P) -> io::Result<io::BufReader<File>> {
         // Allocate the buffer *first* so we don't affect the filesystem otherwise.
         let buffer = io::BufReader::<Self>::try_new_buffer()?;
@@ -473,7 +473,7 @@ impl File {
     ///     Ok(())
     /// }
     /// ```
-    #[unstable(feature = "file_buffered", issue = "none")]
+    #[unstable(feature = "file_buffered", issue = "130804")]
     pub fn create_buffered<P: AsRef<Path>>(path: P) -> io::Result<io::BufWriter<File>> {
         // Allocate the buffer *first* so we don't affect the filesystem otherwise.
         let buffer = io::BufWriter::<Self>::try_new_buffer()?;