Staging: lirc: fix compiler warning

Staging: lirc: fix compiler warning

On Fri, Aug 13, 2010 at 03:38:40PM +0200, Dan Carpenter wrote:
> Speak of left over stuff, it's weird that I didn't notice this before
> but gcc complains about an unitialized variable in
> imon_incoming_packet().
>
> drivers/staging/lirc/lirc_imon.c: In function ‘imon_incoming_packet’:
> drivers/staging/lirc/lirc_imon.c:661: warning: ‘chunk_num’ may be used
> 	uninitialized in this function
>
> I don't know how to fix that, but it looks important.

Ew. Yeah, that doesn't look so hot like it is right now. The old lirc_imon
driver had chunk_num = buf[7], and made much more extensive use of
chunk_num. Simply removing chunk_num and using buf[7] should be fine.

Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>