man: Add the version when dpkg-deb --raw-extract was added

debian/changelog

@@ -4,6 +4,7 @@ dpkg (1.18.0) UNRELEASED; urgency=low
     deb-src-control(5). Reported by Johannes Schauer <j.schauer@email.de>.
     Closes: #768842
   * Document versioned Provides in deb-control(5).
+  * Document the version when dpkg-deb --raw-extract got introduced.
 
  -- Guillem Jover <guillem@debian.org>  Tue, 09 Dec 2014 23:53:18 +0100
 

man/dpkg-deb.1

@@ -166,7 +166,7 @@ which prints a listing of the files extracted as it goes.
 .BR \-R ", " \-\-raw\-extract " \fIarchive directory\fP"
 Extracts the filesystem tree from a package archive into a specified
 directory, and the control information files into a DEBIAN subdirectory
-of the specified directory.
+of the specified directory (since dpkg 1.16.1).
 
 The target directory (but not its parents) will be created if necessary.
 .TP