btrfs-progs: docs: fix broken link from Status to Changes (feature/version)

[ci skip]

Pull-request: #773
Author: Chris Mayo <aklhfex@gmail.com>
Signed-off-by: David Sterba <dsterba@suse.com>

Author: cjmayo

Documentation/Status.rst

@@ -4,7 +4,7 @@ Status
 Overview
 --------
 
-For a list of features by their introduction, please see `Changes (feature/version) <Feature-by-version>`__.
+For a list of features by their introduction, please see :doc:`/Feature-by-version`.
 
 The table below aims to serve as an overview for the stability status of
 the features BTRFS supports. While a feature may be functionally safe