Update README.xattr: fixed typos

Signed-off-by: Alexander Hajnal <trinitydesktop@alephnull.net>

tdeio/tdeio/README.xattr

@@ -75,7 +75,6 @@ Enjoy!
 
 [6] I'm not sure which non-Linux platforms (if any) libattr runs on.
 
-
 [7] Another known issue is namespaces.  Linux, FreeBSD, and NetBSD support 
     xattrs using the 'user' namespace.  Solaris and OSX support user xattrs 
     but do not support namespaces.