[PATCH] isdn: hysdn: fix code style error from checkpatch

[Stephen Hemminger]

On Fri,  2 Aug 2019 19:50:17 +0000
Ricardo Bruno Lopes da Silva <ricardo6142 at gmail.com> wrote:

> Fix error bellow from checkpatch.
> 
> WARNING: Block comments use * on subsequent lines
> +/***********************************************************
> +
> 
> Signed-off-by: Ricardo Bruno Lopes da Silva <ricardo6142 at gmail.com>

Read the TODO, these drivers are scheduled for removal, so changes
are not helpful at this time.