[Patch]: Fix link and label to match in www/openssh/specs.html

I noticed that the link and label do not match on this last commit.

Bryan


--- www/openssh/specs.html	3 Oct 2013 15:35:45 -0000	1.5
+++ www/openssh/specs.html	7 Oct 2013 21:31:28 -0000
@@ -111,7 +111,7 @@ Source: <a href="http://datatracker.ietf
     <td>SHA-256 SSHFP Resource Records (new in OpenSSH 6.1).
   </tr>
   <tr>
-    <td><a href="txt/rfc6668.txt">rfc6594.txt</a>
+    <td><a href="txt/rfc6668.txt">rfc6668.txt</a>
     <td>
     <td>SHA-2 Data Integrity Algorithms (new in OpenSSH 5.9)
   </tr>