commit bed610fcae41ddfe21fa9acde599b17d1d15f5d1
 Author: Alan Coopersmith <alan.coopersmith@oracle.com>
 Date:   Mon Jul 9 19:12:44 2012 -0700

    Set padding bytes to 0 in WriteToClient

    Clear them out when needed instead of leaving whatever values were
    present in previously sent messages.
Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Reviewed-by: Keith Packard <keithp@keithp.com>
Tested-by: Daniel Stone <daniel@fooishbar.org>
Backported-to-NX-by: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>