Staging: otus: zfTkipInit(): increment another pointer

Increment the pointer rather than its value.
These appear to be logic errors.

Thanks to Dan Carpenter for the first hunk of this change.

Cc: Dan Carpenter <error27@gmail.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>