[PATCH] examples/pipeline: fix build

[Thomas Monjalon]

> > This patch fixes the following build failure seen on Ubuntu 16.04
> > with gcc 5.4.0 because of uninitialized variable:
> >   [..]
> >   examples/pipeline/cli.c:2853:9: error: 'session_id' may be used
> >     uninitialized in this function [-Werror=maybe-uninitialized]
> >   [..]
> > 
> > Fixes: 172254555f9f ("examples/pipeline: support packet mirroring")
> > Cc: cristian.dumitrescu at intel.com
> > 
> > Signed-off-by: Ali Alnubani <alialnu at nvidia.com>
> 
> Acked-by: Cristian Dumitrescu <cristian.dumitrescu at intel.com>

Applied, thanks.